111387452 has 12 divisors (see below), whose sum is σ = 212648856. Its totient is φ = 50630640.

The previous prime is 111387431. The next prime is 111387461. The reversal of 111387452 is 254783111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265723 + ... + 1265810.

It is an arithmetic number, because the mean of its divisors is an integer number (17720738).

Almost surely, 2^111387452 is an apocalyptic number.

It is an amenable number.

111387452 is a deficient number, since it is larger than the sum of its proper divisors (101261404).

111387452 is a wasteful number, since it uses less digits than its factorization.

111387452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531548 (or 2531546 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 111387452 is about 10554.0253931853. The cubic root of 111387452 is about 481.1480793441.

The spelling of 111387452 in words is "one hundred eleven million, three hundred eighty-seven thousand, four hundred fifty-two".