1266298332 has 24 divisors (see below), whose sum is σ = 3181980816. Its totient is φ = 389630208.

The previous prime is 1266298309. The next prime is 1266298333. The reversal of 1266298332 is 2338926621.

It is a super-2 number, since 2×1266298332² = 3207022931251964448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266298333) 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, 4058493 + ... + 4058804.

It is an arithmetic number, because the mean of its divisors is an integer number (132582534).

Almost surely, 2^1266298332 is an apocalyptic number.

1266298332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1266298332 is an abundant number, since it is smaller than the sum of its proper divisors (1915682484).

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

1266298332 is a wasteful number, since it uses less digits than its factorization.

1266298332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117317 (or 8117315 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 1266298332 is about 35585.0858085238. The cubic root of 1266298332 is about 1081.8789684709.

The spelling of 1266298332 in words is "one billion, two hundred sixty-six million, two hundred ninety-eight thousand, three hundred thirty-two".