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122940003 = 340980001
BaseRepresentation
bin1110101001111…
…10101001100011
322120022222222110
413110332221203
5222433040003
620111010403
73021654444
oct724765143
9276288873
10122940003
116343a70a
1235209a03
131c616184
14124832cb
15abd6a03
hex753ea63

122940003 has 4 divisors (see below), whose sum is σ = 163920008. Its totient is φ = 81960000.

The previous prime is 122940001. The next prime is 122940007. The reversal of 122940003 is 300049221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300049221 = 3100016407.

It is not a de Polignac number, because 122940003 - 21 = 122940001 is a prime.

It is a super-2 number, since 2×1229400032 = 30228488675280018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122940001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20489998 + ... + 20490003.

It is an arithmetic number, because the mean of its divisors is an integer number (40980002).

Almost surely, 2122940003 is an apocalyptic number.

122940003 is a deficient number, since it is larger than the sum of its proper divisors (40980005).

122940003 is an equidigital number, since it uses as much as digits as its factorization.

122940003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40980004.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 122940003 is about 11087.8313028292. The cubic root of 122940003 is about 497.2381093438.

Adding to 122940003 its reverse (300049221), we get a palindrome (422989224).

The spelling of 122940003 in words is "one hundred twenty-two million, nine hundred forty thousand, three".

Divisors: 1 3 40980001 122940003