1105725140 has 48 divisors (see below), whose sum is σ = 2632264320. Its totient is φ = 386778240.

The previous prime is 1105725113. The next prime is 1105725151. The reversal of 1105725140 is 415275011.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106976 + ... + 116855.

It is an arithmetic number, because the mean of its divisors is an integer number (54838840).

Almost surely, 2^1105725140 is an apocalyptic number.

1105725140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105725140 is an abundant number, since it is smaller than the sum of its proper divisors (1526539180).

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

1105725140 is a wasteful number, since it uses less digits than its factorization.

1105725140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223872 (or 223870 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1105725140 is about 33252.4456243447. The cubic root of 1105725140 is about 1034.0679107925.

The spelling of 1105725140 in words is "one billion, one hundred five million, seven hundred twenty-five thousand, one hundred forty".