122345537 has 2 divisors, whose sum is σ = 122345538. Its totient is φ = 122345536.

The previous prime is 122345507. The next prime is 122345581. The reversal of 122345537 is 735543221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119924401 + 2421136 = 10951^2 + 1556^2 .

It is a cyclic number.

It is not a de Polignac number, because 122345537 - 2⁶ = 122345473 is a prime.

It is not a weakly prime, because it can be changed into another prime (122345507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61172768 + 61172769.

It is an arithmetic number, because the mean of its divisors is an integer number (61172769).

Almost surely, 2^122345537 is an apocalyptic number.

It is an amenable number.

122345537 is a deficient number, since it is larger than the sum of its proper divisors (1).

122345537 is an equidigital number, since it uses as much as digits as its factorization.

122345537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 32.

The square root of 122345537 is about 11060.9916824849. The cubic root of 122345537 is about 496.4353631206.

Adding to 122345537 its reverse (735543221), we get a palindrome (857888758).

It can be divided in two parts, 12234 and 5537, that added together give a palindrome (17771).

The spelling of 122345537 in words is "one hundred twenty-two million, three hundred forty-five thousand, five hundred thirty-seven".