90120962 has 4 divisors (see below), whose sum is σ = 135181446. Its totient is φ = 45060480.

The previous prime is 90120959. The next prime is 90120967. The reversal of 90120962 is 26902109.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85914361 + 4206601 = 9269^2 + 2051^2 .

It is not an unprimeable number, because it can be changed into a prime (90120967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22530239 + ... + 22530242.

Almost surely, 2^90120962 is an apocalyptic number.

90120962 is a deficient number, since it is larger than the sum of its proper divisors (45060484).

90120962 is a wasteful number, since it uses less digits than its factorization.

90120962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45060483.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 90120962 is about 9493.2060969938. The cubic root of 90120962 is about 448.3411550285.

The spelling of 90120962 in words is "ninety million, one hundred twenty thousand, nine hundred sixty-two".