1170021938 has 30 divisors (see below), whose sum is σ = 1880596431. Its totient is φ = 545948964.

The previous prime is 1170021929. The next prime is 1170021967. The reversal of 1170021938 is 8391200711.

It can be written as a sum of positive squares in only one way, i.e., 585010969 + 585010969 = 24187^2 + 24187^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24187.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 17462981 + ... + 17463047.

Almost surely, 2^1170021938 is an apocalyptic number.

1170021938 is a deficient number, since it is larger than the sum of its proper divisors (710574493).

1170021938 is an frugal number, since it uses more digits than its factorization.

1170021938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 1170021938 is about 34205.5834331180. The cubic root of 1170021938 is about 1053.7348289401.

Multiplying 1170021938 by its sum of digits (32), we get a square (37440702016 = 193496²).

The spelling of 1170021938 in words is "one billion, one hundred seventy million, twenty-one thousand, nine hundred thirty-eight".