1262200872 has 64 divisors (see below), whose sum is σ = 3285388800. Its totient is φ = 403603200.

The previous prime is 1262200871. The next prime is 1262200897. The reversal of 1262200872 is 2780022621.

It is not an unprimeable number, because it can be changed into a prime (1262200871) 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, 103497 + ... + 115047.

It is an arithmetic number, because the mean of its divisors is an integer number (51334200).

Almost surely, 2^1262200872 is an apocalyptic number.

1262200872 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 1262200872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642694400).

1262200872 is an abundant number, since it is smaller than the sum of its proper divisors (2023187928).

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

1262200872 is a wasteful number, since it uses less digits than its factorization.

1262200872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11746 (or 11742 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1262200872 is about 35527.4664449915. The cubic root of 1262200872 is about 1080.7108009459.

The spelling of 1262200872 in words is "one billion, two hundred sixty-two million, two hundred thousand, eight hundred seventy-two".