1972912 has 10 divisors (see below), whose sum is σ = 3822548. Its totient is φ = 986448.

The previous prime is 1972891. The next prime is 1972913. The reversal of 1972912 is 2192791.

It is not an unprimeable number, because it can be changed into a prime (1972913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61638 + ... + 61669.

2^1972912 is an apocalyptic number.

It is an amenable number.

1972912 is a deficient number, since it is larger than the sum of its proper divisors (1849636).

1972912 is a wasteful number, since it uses less digits than its factorization.

1972912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123315 (or 123309 counting only the distinct ones).

The product of its digits is 2268, while the sum is 31.

The square root of 1972912 is about 1404.6038587445. The cubic root of 1972912 is about 125.4207051357.

The spelling of 1972912 in words is "one million, nine hundred seventy-two thousand, nine hundred twelve".