1117735920 has 120 divisors (see below), whose sum is σ = 4289996256. Its totient is φ = 255481344.

The previous prime is 1117735859. The next prime is 1117735979. The reversal of 1117735920 is 295377111.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105847 + ... + 115926.

Almost surely, 2^1117735920 is an apocalyptic number.

1117735920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1117735920 is an abundant number, since it is smaller than the sum of its proper divisors (3172260336).

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

1117735920 is a wasteful number, since it uses less digits than its factorization.

1117735920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221799 (or 221790 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The square root of 1117735920 is about 33432.5577842916. The cubic root of 1117735920 is about 1037.7985731864.

The spelling of 1117735920 in words is "one billion, one hundred seventeen million, seven hundred thirty-five thousand, nine hundred twenty".