1260642150 has 48 divisors (see below), whose sum is σ = 3473773200. Its totient is φ = 336170880.

The previous prime is 1260642143. The next prime is 1260642161. The reversal of 1260642150 is 512460621.

1260642150 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 642 + 15 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 465555 + ... + 468254.

It is an arithmetic number, because the mean of its divisors is an integer number (72370275).

Almost surely, 2^1260642150 is an apocalyptic number.

1260642150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1260642150 is an abundant number, since it is smaller than the sum of its proper divisors (2213131050).

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

1260642150 is a wasteful number, since it uses less digits than its factorization.

1260642150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933830 (or 933819 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1260642150 is about 35505.5228098390. The cubic root of 1260642150 is about 1080.2657525029.

It can be divided in two parts, 12606 and 42150, that added together give a square (54756 = 234²).

The spelling of 1260642150 in words is "one billion, two hundred sixty million, six hundred forty-two thousand, one hundred fifty".