1972612148 has 48 divisors (see below), whose sum is σ = 3943410240. Its totient is φ = 855878400.

The previous prime is 1972612123. The next prime is 1972612151. The reversal of 1972612148 is 8412162791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121808 + ... + 137048.

It is an arithmetic number, because the mean of its divisors is an integer number (82154380).

Almost surely, 2^1972612148 is an apocalyptic number.

It is an amenable number.

1972612148 is a deficient number, since it is larger than the sum of its proper divisors (1970798092).

1972612148 is a wasteful number, since it uses less digits than its factorization.

1972612148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15408 (or 15406 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 1972612148 is about 44414.0985273820. The cubic root of 1972612148 is about 1254.1435081361.

The spelling of 1972612148 in words is "one billion, nine hundred seventy-two million, six hundred twelve thousand, one hundred forty-eight".