1250422621 has 16 divisors (see below), whose sum is σ = 1478224000. Its totient is φ = 1057087584.

The previous prime is 1250422583. The next prime is 1250422673. The reversal of 1250422621 is 1262240521.

It is a de Polignac number, because none of the positive numbers 2^k-1250422621 is a prime.

It is a super-2 number, since 2×1250422621² = 3127113462217019282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250422681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70 + ... + 50008.

It is an arithmetic number, because the mean of its divisors is an integer number (92389000).

Almost surely, 2^1250422621 is an apocalyptic number.

It is an amenable number.

1250422621 is a deficient number, since it is larger than the sum of its proper divisors (227801379).

1250422621 is an frugal number, since it uses more digits than its factorization.

1250422621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50033 (or 50019 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1250422621 is about 35361.3153177310. The cubic root of 1250422621 is about 1077.3387325825.

The spelling of 1250422621 in words is "one billion, two hundred fifty million, four hundred twenty-two thousand, six hundred twenty-one".