1107921123 has 12 divisors (see below), whose sum is σ = 1601428920. Its totient is φ = 738107136.

The previous prime is 1107921119. The next prime is 1107921131. The reversal of 1107921123 is 3211297011.

It is not a de Polignac number, because 1107921123 - 2² = 1107921119 is a prime.

It is a super-2 number, since 2×1107921123² = 2454978429579162258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1107923123) 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 11 ways as a sum of consecutive naturals, for example, 28158 + ... + 54851.

It is an arithmetic number, because the mean of its divisors is an integer number (133452410).

Almost surely, 2^1107921123 is an apocalyptic number.

1107921123 is a deficient number, since it is larger than the sum of its proper divisors (493507797).

1107921123 is a wasteful number, since it uses less digits than its factorization.

1107921123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84498 (or 84495 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1107921123 is about 33285.4491181958. The cubic root of 1107921123 is about 1034.7520150820.

The spelling of 1107921123 in words is "one billion, one hundred seven million, nine hundred twenty-one thousand, one hundred twenty-three".