1261410696 has 192 divisors, whose sum is σ = 4259673600. Its totient is φ = 328333824.

The previous prime is 1261410679. The next prime is 1261410701. The reversal of 1261410696 is 6960141621.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1261410696.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 516390 + ... + 518826.

It is an arithmetic number, because the mean of its divisors is an integer number (22185800).

Almost surely, 2^1261410696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1261410696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2129836800).

1261410696 is an abundant number, since it is smaller than the sum of its proper divisors (2998262904).

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

1261410696 is a wasteful number, since it uses less digits than its factorization.

1261410696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2541 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1261410696 is about 35516.3440686116. The cubic root of 1261410696 is about 1080.4852346305.

The spelling of 1261410696 in words is "one billion, two hundred sixty-one million, four hundred ten thousand, six hundred ninety-six".