1972122302515 has 8 divisors (see below), whose sum is σ = 2367667830528. Its totient is φ = 1576950463680.

The previous prime is 1972122302467. The next prime is 1972122302543. The reversal of 1972122302515 is 5152032212791.

It is a happy number.

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

It is not a de Polignac number, because 1972122302515 - 2³⁷ = 1834683349043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93410682 + ... + 93431791.

It is an arithmetic number, because the mean of its divisors is an integer number (295958478816).

Almost surely, 2^{1972122302515} is an apocalyptic number.

1972122302515 is a deficient number, since it is larger than the sum of its proper divisors (395545528013).

1972122302515 is a wasteful number, since it uses less digits than its factorization.

1972122302515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186844589.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 1972122302515 in words is "one trillion, nine hundred seventy-two billion, one hundred twenty-two million, three hundred two thousand, five hundred fifteen".