111929493 has 8 divisors (see below), whose sum is σ = 160719328. Its totient is φ = 68879664.

The previous prime is 111929483. The next prime is 111929507. The reversal of 111929493 is 394929111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111929493 - 2⁶ = 111929429 is a prime.

It is a super-2 number, since 2×111929493² = 25056422806474098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2869987 = 111929493 / (1 + 1 + 1 + 9 + 2 + 9 + 4 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111929423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434955 + ... + 1435032.

It is an arithmetic number, because the mean of its divisors is an integer number (20089916).

Almost surely, 2^111929493 is an apocalyptic number.

111929493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111929493 is a deficient number, since it is larger than the sum of its proper divisors (48789835).

111929493 is a wasteful number, since it uses less digits than its factorization.

111929493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870003.

The product of its digits is 17496, while the sum is 39.

The square root of 111929493 is about 10579.6735771951. The cubic root of 111929493 is about 481.9272816612.

The spelling of 111929493 in words is "one hundred eleven million, nine hundred twenty-nine thousand, four hundred ninety-three".