1972125473 has 8 divisors (see below), whose sum is σ = 1980565920. Its totient is φ = 1963700640.

The previous prime is 1972125391. The next prime is 1972125521. The reversal of 1972125473 is 3745212791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1972125473 - 2¹² = 1972121377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1972125473.

It is not an unprimeable number, because it can be changed into a prime (1972122473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296933 + ... + 303501.

It is an arithmetic number, because the mean of its divisors is an integer number (247570740).

Almost surely, 2^1972125473 is an apocalyptic number.

It is an amenable number.

1972125473 is a deficient number, since it is larger than the sum of its proper divisors (8440447).

1972125473 is an equidigital number, since it uses as much as digits as its factorization.

1972125473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7807.

The product of its digits is 105840, while the sum is 41.

The square root of 1972125473 is about 44408.6193548054. The cubic root of 1972125473 is about 1254.0403605584.

The spelling of 1972125473 in words is "one billion, nine hundred seventy-two million, one hundred twenty-five thousand, four hundred seventy-three".