1250166426 has 16 divisors (see below), whose sum is σ = 2609043264. Its totient is φ = 398603744.

The previous prime is 1250166413. The next prime is 1250166433. The reversal of 1250166426 is 6246610521.

It is a super-2 number, since 2×1250166426² = 3125832185395226952, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4529451 + ... + 4529726.

It is an arithmetic number, because the mean of its divisors is an integer number (163065204).

Almost surely, 2^1250166426 is an apocalyptic number.

1250166426 is an abundant number, since it is smaller than the sum of its proper divisors (1358876838).

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

1250166426 is a wasteful number, since it uses less digits than its factorization.

1250166426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059205.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1250166426 is about 35357.6926000552. The cubic root of 1250166426 is about 1077.2651500874.

Adding to 1250166426 its reverse (6246610521), we get a palindrome (7496776947).

The spelling of 1250166426 in words is "one billion, two hundred fifty million, one hundred sixty-six thousand, four hundred twenty-six".