1162745780 has 24 divisors (see below), whose sum is σ = 2790590208. Its totient is φ = 398655648.

The previous prime is 1162745761. The next prime is 1162745783. The reversal of 1162745780 is 875472611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162745783) 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, 4152524 + ... + 4152803.

It is an arithmetic number, because the mean of its divisors is an integer number (116274592).

Almost surely, 2^1162745780 is an apocalyptic number.

1162745780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1162745780 is an abundant number, since it is smaller than the sum of its proper divisors (1627844428).

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

1162745780 is a wasteful number, since it uses less digits than its factorization.

1162745780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305343 (or 8305341 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 1162745780 is about 34099.0583447696. The cubic root of 1162745780 is about 1051.5459555172.

The spelling of 1162745780 in words is "one billion, one hundred sixty-two million, seven hundred forty-five thousand, seven hundred eighty".