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122137077 = 340712359
BaseRepresentation
bin1110100011110…
…10100111110101
322111211012120110
413101322213311
5222231341302
620041453233
73012101526
oct721724765
9274735513
10122137077
1162a41437
1234aa1219
131c3c487a
141231484d
15aac8b6c
hex747a9f5

122137077 has 4 divisors (see below), whose sum is σ = 162849440. Its totient is φ = 81424716.

The previous prime is 122137063. The next prime is 122137079. The reversal of 122137077 is 770731221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122137077 - 216 = 122071541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122137079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20356177 + ... + 20356182.

It is an arithmetic number, because the mean of its divisors is an integer number (40712360).

Almost surely, 2122137077 is an apocalyptic number.

It is an amenable number.

122137077 is a deficient number, since it is larger than the sum of its proper divisors (40712363).

122137077 is an equidigital number, since it uses as much as digits as its factorization.

122137077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40712362.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 122137077 is about 11051.5644593876. The cubic root of 122137077 is about 496.1532502625.

Adding to 122137077 its reverse (770731221), we get a palindrome (892868298).

The spelling of 122137077 in words is "one hundred twenty-two million, one hundred thirty-seven thousand, seventy-seven".

Divisors: 1 3 40712359 122137077