900127389 has 12 divisors (see below), whose sum is σ = 1371832224. Its totient is φ = 514279944.

The previous prime is 900127387. The next prime is 900127427. The reversal of 900127389 is 983721009.

It is not a de Polignac number, because 900127389 - 2¹ = 900127387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900127381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134214 + ... + 140760.

It is an arithmetic number, because the mean of its divisors is an integer number (114319352).

Almost surely, 2^900127389 is an apocalyptic number.

It is an amenable number.

900127389 is a deficient number, since it is larger than the sum of its proper divisors (471704835).

900127389 is an frugal number, since it uses more digits than its factorization.

900127389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13104 (or 6557 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 900127389 is about 30002.1230748759. The cubic root of 900127389 is about 965.5349353185.

Multiplying 900127389 by its product of nonzero digits (27216), we get a square (24497867019024 = 4949532²).

The spelling of 900127389 in words is "nine hundred million, one hundred twenty-seven thousand, three hundred eighty-nine".