1000000972 has 6 divisors (see below), whose sum is σ = 1750001708. Its totient is φ = 500000484.

The previous prime is 1000000933. The next prime is 1000000993. The reversal of 1000000972 is 2790000001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125000118 + ... + 125000125.

Almost surely, 2^1000000972 is an apocalyptic number.

It is an amenable number.

1000000972 is a deficient number, since it is larger than the sum of its proper divisors (750000736).

1000000972 is a wasteful number, since it uses less digits than its factorization.

1000000972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250000247 (or 250000245 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1000000972 is about 31622.7919703495. The cubic root of 1000000972 is about 1000.0003239999. Note that the first 3 decimals are identical.

Adding to 1000000972 its reverse (2790000001), we get a palindrome (3790000973).

The spelling of 1000000972 in words is "one billion, nine hundred seventy-two", and thus it is an aban number.