1972113 has 16 divisors (see below), whose sum is σ = 3089856. Its totient is φ = 1103040.

The previous prime is 1972111. The next prime is 1972121. The reversal of 1972113 is 3112791.

It is not a de Polignac number, because 1972113 - 2¹ = 1972111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1972111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1870 + ... + 2727.

It is an arithmetic number, because the mean of its divisors is an integer number (193116).

2^1972113 is an apocalyptic number.

1972113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1972113 is a deficient number, since it is larger than the sum of its proper divisors (1117743).

1972113 is a wasteful number, since it uses less digits than its factorization.

1972113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624.

The product of its digits is 378, while the sum is 24.

The square root of 1972113 is about 1404.3194081120. The cubic root of 1972113 is about 125.4037716765.

The spelling of 1972113 in words is "one million, nine hundred seventy-two thousand, one hundred thirteen".