1114455920 has 20 divisors (see below), whose sum is σ = 2591110200. Its totient is φ = 445782336.

The previous prime is 1114455899. The next prime is 1114455929. The reversal of 1114455920 is 295544111.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1114455929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6965270 + ... + 6965429.

It is an arithmetic number, because the mean of its divisors is an integer number (129555510).

Almost surely, 2^1114455920 is an apocalyptic number.

1114455920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1114455920 is an abundant number, since it is smaller than the sum of its proper divisors (1476654280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1114455920 is a wasteful number, since it uses less digits than its factorization.

1114455920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13930712 (or 13930706 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1114455920 is about 33383.4677647485. The cubic root of 1114455920 is about 1036.7824373946.

The spelling of 1114455920 in words is "one billion, one hundred fourteen million, four hundred fifty-five thousand, nine hundred twenty".