122149537 has 16 divisors (see below), whose sum is σ = 136281600. Its totient is φ = 108984960.

The previous prime is 122149519. The next prime is 122149549. The reversal of 122149537 is 735941221.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122149537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122149567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19888 + ... + 25294.

It is an arithmetic number, because the mean of its divisors is an integer number (8517600).

Almost surely, 2^122149537 is an apocalyptic number.

It is an amenable number.

122149537 is a deficient number, since it is larger than the sum of its proper divisors (14132063).

122149537 is a wasteful number, since it uses less digits than its factorization.

122149537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496.

The product of its digits is 15120, while the sum is 34.

The square root of 122149537 is about 11052.1281661045. The cubic root of 122149537 is about 496.1701216321.

The spelling of 122149537 in words is "one hundred twenty-two million, one hundred forty-nine thousand, five hundred thirty-seven".