122135357 has 2 divisors, whose sum is σ = 122135358. Its totient is φ = 122135356.

The previous prime is 122135341. The next prime is 122135371. The reversal of 122135357 is 753531221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98525476 + 23609881 = 9926^2 + 4859^2 .

It is a cyclic number.

It is not a de Polignac number, because 122135357 - 2⁴ = 122135341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122134357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61067678 + 61067679.

It is an arithmetic number, because the mean of its divisors is an integer number (61067679).

Almost surely, 2^122135357 is an apocalyptic number.

It is an amenable number.

122135357 is a deficient number, since it is larger than the sum of its proper divisors (1).

122135357 is an equidigital number, since it uses as much as digits as its factorization.

122135357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 29.

The square root of 122135357 is about 11051.4866420767. The cubic root of 122135357 is about 496.1509212193.

Adding to 122135357 its reverse (753531221), we get a palindrome (875666578).

The spelling of 122135357 in words is "one hundred twenty-two million, one hundred thirty-five thousand, three hundred fifty-seven".