1187751460 has 48 divisors (see below), whose sum is σ = 2858494464. Its totient is φ = 406101888.

The previous prime is 1187751449. The next prime is 1187751469. The reversal of 1187751460 is 641577811.

It is not an unprimeable number, because it can be changed into a prime (1187751469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39822 + ... + 62938.

It is an arithmetic number, because the mean of its divisors is an integer number (59551968).

Almost surely, 2^1187751460 is an apocalyptic number.

1187751460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1187751460 is an abundant number, since it is smaller than the sum of its proper divisors (1670743004).

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

1187751460 is a wasteful number, since it uses less digits than its factorization.

1187751460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23500 (or 23498 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 1187751460 is about 34463.7702522519. The cubic root of 1187751460 is about 1059.0306374689.

The spelling of 1187751460 in words is "one billion, one hundred eighty-seven million, seven hundred fifty-one thousand, four hundred sixty".