1249910226 has 12 divisors (see below), whose sum is σ = 2708138862. Its totient is φ = 416636736.

The previous prime is 1249910203. The next prime is 1249910279. The reversal of 1249910226 is 6220199421.

It can be written as a sum of positive squares in only one way, i.e., 1162469025 + 87441201 = 34095^2 + 9351^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34719711 + ... + 34719746.

Almost surely, 2^1249910226 is an apocalyptic number.

1249910226 is an abundant number, since it is smaller than the sum of its proper divisors (1458228636).

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

1249910226 is a wasteful number, since it uses less digits than its factorization.

1249910226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69439465 (or 69439462 counting only the distinct ones).

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

The square root of 1249910226 is about 35354.0694404477. The cubic root of 1249910226 is about 1077.1915561026.

The spelling of 1249910226 in words is "one billion, two hundred forty-nine million, nine hundred ten thousand, two hundred twenty-six".