1260941952 has 128 divisors (see below), whose sum is σ = 3562574400. Its totient is φ = 393789440.

The previous prime is 1260941951. The next prime is 1260941977. The reversal of 1260941952 is 2591490621.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 1260941952.

It is not an unprimeable number, because it can be changed into a prime (1260941951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2735002 + ... + 2735462.

Almost surely, 2^1260941952 is an apocalyptic number.

1260941952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260941952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1781287200).

1260941952 is an abundant number, since it is smaller than the sum of its proper divisors (2301632448).

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

1260941952 is a wasteful number, since it uses less digits than its factorization.

1260941952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1260941952 is about 35509.7444654281. The cubic root of 1260941952 is about 1080.3513808638.

The spelling of 1260941952 in words is "one billion, two hundred sixty million, nine hundred forty-one thousand, nine hundred fifty-two".