122581283 has 16 divisors (see below), whose sum is σ = 139974912. Its totient is φ = 106260000.

The previous prime is 122581279. The next prime is 122581297. The reversal of 122581283 is 382185221.

It is a happy number.

It is not a de Polignac number, because 122581283 - 2² = 122581279 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122581243) 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, 116108 + ... + 117158.

It is an arithmetic number, because the mean of its divisors is an integer number (8748432).

Almost surely, 2^122581283 is an apocalyptic number.

122581283 is a deficient number, since it is larger than the sum of its proper divisors (17393629).

122581283 is a wasteful number, since it uses less digits than its factorization.

122581283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546.

The product of its digits is 7680, while the sum is 32.

The square root of 122581283 is about 11071.6431933115. The cubic root of 122581283 is about 496.7540167873.

The spelling of 122581283 in words is "one hundred twenty-two million, five hundred eighty-one thousand, two hundred eighty-three".