1913120 has 48 divisors (see below), whose sum is σ = 4935168. Its totient is φ = 695040.

The previous prime is 1913099. The next prime is 1913123. The reversal of 1913120 is 213191.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913123) 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, 1217 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (102816).

2^1913120 is an apocalyptic number.

1913120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1913120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2467584).

1913120 is an abundant number, since it is smaller than the sum of its proper divisors (3022048).

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

1913120 is a wasteful number, since it uses less digits than its factorization.

1913120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1913120 is about 1383.1558119026. The cubic root of 1913120 is about 124.1406658969.

The spelling of 1913120 in words is "one million, nine hundred thirteen thousand, one hundred twenty".