90127042 has 8 divisors (see below), whose sum is σ = 138844476. Its totient is φ = 43845552.

The previous prime is 90127039. The next prime is 90127057. The reversal of 90127042 is 24072109.

It can be written as a sum of positive squares in 2 ways, for example, as 90079081 + 47961 = 9491^2 + 219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 90126998 and 90127016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608893 + ... + 609040.

Almost surely, 2^90127042 is an apocalyptic number.

90127042 is a deficient number, since it is larger than the sum of its proper divisors (48717434).

90127042 is a wasteful number, since it uses less digits than its factorization.

90127042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217972.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 90127042 is about 9493.5263206040. The cubic root of 90127042 is about 448.3512372293.

The spelling of 90127042 in words is "ninety million, one hundred twenty-seven thousand, forty-two".