1124998920 has 48 divisors (see below), whose sum is σ = 3656247660. Its totient is φ = 299999616.

The previous prime is 1124998913. The next prime is 1124998921. The reversal of 1124998920 is 298994211.

It can be written as a sum of positive squares in 2 ways, for example, as 1040836644 + 84162276 = 32262^2 + 9174^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1124998921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1562139 + ... + 1562858.

Almost surely, 2^1124998920 is an apocalyptic number.

1124998920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124998920 is an abundant number, since it is smaller than the sum of its proper divisors (2531248740).

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

1124998920 is a wasteful number, since it uses less digits than its factorization.

1124998920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125014 (or 3125007 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 1124998920 is about 33541.0035628035. The cubic root of 1124998920 is about 1040.0415787124.

The spelling of 1124998920 in words is "one billion, one hundred twenty-four million, nine hundred ninety-eight thousand, nine hundred twenty".