1167072978252 has 24 divisors (see below), whose sum is σ = 2736993487536. Its totient is φ = 387049582528.

The previous prime is 1167072978241. The next prime is 1167072978257. The reversal of 1167072978252 is 2528792707611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1167072978192 and 1167072978201.

It is not an unprimeable number, because it can be changed into a prime (1167072978257) 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, 246840483 + ... + 246845210.

It is an arithmetic number, because the mean of its divisors is an integer number (114041395314).

Almost surely, 2^{1167072978252} is an apocalyptic number.

1167072978252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1167072978252 is an abundant number, since it is smaller than the sum of its proper divisors (1569920509284).

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

1167072978252 is a wasteful number, since it uses less digits than its factorization.

1167072978252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493685897 (or 493685895 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 57.

The spelling of 1167072978252 in words is "one trillion, one hundred sixty-seven billion, seventy-two million, nine hundred seventy-eight thousand, two hundred fifty-two".