1972960111 has 4 divisors (see below), whose sum is σ = 1986026224. Its totient is φ = 1959894000.

The previous prime is 1972960069. The next prime is 1972960147. The reversal of 1972960111 is 1110692791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1110692791 = 13 ⋅85437907.

It is a cyclic number.

It is not a de Polignac number, because 1972960111 - 2¹⁵ = 1972927343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972960151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6532830 + ... + 6533131.

It is an arithmetic number, because the mean of its divisors is an integer number (496506556).

Almost surely, 2^1972960111 is an apocalyptic number.

1972960111 is a deficient number, since it is larger than the sum of its proper divisors (13066113).

1972960111 is a wasteful number, since it uses less digits than its factorization.

1972960111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13066112.

The product of its (nonzero) digits is 6804, while the sum is 37.

The square root of 1972960111 is about 44418.0156130370. The cubic root of 1972960111 is about 1254.2172462132.

The spelling of 1972960111 in words is "one billion, nine hundred seventy-two million, nine hundred sixty thousand, one hundred eleven".