122987075 has 24 divisors (see below), whose sum is σ = 161715840. Its totient is φ = 92620800.

The previous prime is 122987071. The next prime is 122987077. The reversal of 122987075 is 570789221.

It is not a de Polignac number, because 122987075 - 2² = 122987071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122987071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26531 + ... + 30819.

It is an arithmetic number, because the mean of its divisors is an integer number (6738160).

Almost surely, 2^122987075 is an apocalyptic number.

122987075 is a deficient number, since it is larger than the sum of its proper divisors (38728765).

122987075 is a wasteful number, since it uses less digits than its factorization.

122987075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367 (or 4362 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 122987075 is about 11089.9537870994. The cubic root of 122987075 is about 497.3015630748.

The spelling of 122987075 in words is "one hundred twenty-two million, nine hundred eighty-seven thousand, seventy-five".