112973261 has 2 divisors, whose sum is σ = 112973262. Its totient is φ = 112973260.

The previous prime is 112973251. The next prime is 112973291. The reversal of 112973261 is 162379211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78234025 + 34739236 = 8845^2 + 5894^2 .

It is an emirp because it is prime and its reverse (162379211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112973261 - 2²⁶ = 45864397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112973251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56486630 + 56486631.

It is an arithmetic number, because the mean of its divisors is an integer number (56486631).

Almost surely, 2^112973261 is an apocalyptic number.

It is an amenable number.

112973261 is a deficient number, since it is larger than the sum of its proper divisors (1).

112973261 is an equidigital number, since it uses as much as digits as its factorization.

112973261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 112973261 is about 10628.8880415592. Note that the first 3 decimals coincide. The cubic root of 112973261 is about 483.4206763543.

The spelling of 112973261 in words is "one hundred twelve million, nine hundred seventy-three thousand, two hundred sixty-one".