111457012 has 6 divisors (see below), whose sum is σ = 195049778. Its totient is φ = 55728504.

The previous prime is 111457001. The next prime is 111457019. The reversal of 111457012 is 210754111.

It can be written as a sum of positive squares in only one way, i.e., 71842576 + 39614436 = 8476^2 + 6294^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111457019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13932123 + ... + 13932130.

Almost surely, 2^111457012 is an apocalyptic number.

It is an amenable number.

111457012 is a deficient number, since it is larger than the sum of its proper divisors (83592766).

111457012 is a wasteful number, since it uses less digits than its factorization.

111457012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27864257 (or 27864255 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 111457012 is about 10557.3203039408. The cubic root of 111457012 is about 481.2482153866.

The spelling of 111457012 in words is "one hundred eleven million, four hundred fifty-seven thousand, twelve".