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122790097 = 1071147571
BaseRepresentation
bin1110101000110…
…10000011010001
322120001101100101
413110122003101
5222413240342
620103452401
73020461423
oct724320321
9276041311
10122790097
1163348021
1235157101
131c592b81
1412444813
15aba73b7
hex751a0d1

122790097 has 4 divisors (see below), whose sum is σ = 123937776. Its totient is φ = 121642420.

The previous prime is 122790091. The next prime is 122790113. The reversal of 122790097 is 790097221.

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 a cyclic number.

It is not a de Polignac number, because 122790097 - 27 = 122789969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122790091) 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, 573679 + ... + 573892.

It is an arithmetic number, because the mean of its divisors is an integer number (30984444).

Almost surely, 2122790097 is an apocalyptic number.

It is an amenable number.

122790097 is a deficient number, since it is larger than the sum of its proper divisors (1147679).

122790097 is a wasteful number, since it uses less digits than its factorization.

122790097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147678.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 122790097 is about 11081.0693076075. The cubic root of 122790097 is about 497.0359259184.

The spelling of 122790097 in words is "one hundred twenty-two million, seven hundred ninety thousand, ninety-seven".

Divisors: 1 107 1147571 122790097