1249946454 has 64 divisors (see below), whose sum is σ = 2769624576. Its totient is φ = 374060544.

The previous prime is 1249946389. The next prime is 1249946479. The reversal of 1249946454 is 4546499421.

It is a super-2 number, since 2×1249946454² = 3124732275734348232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1587849 + ... + 1588635.

It is an arithmetic number, because the mean of its divisors is an integer number (43275384).

Almost surely, 2^1249946454 is an apocalyptic number.

1249946454 is an abundant number, since it is smaller than the sum of its proper divisors (1519678122).

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

1249946454 is a wasteful number, since it uses less digits than its factorization.

1249946454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509.

The product of its digits is 1244160, while the sum is 48.

The square root of 1249946454 is about 35354.5817964235. The cubic root of 1249946454 is about 1077.2019632817.

The spelling of 1249946454 in words is "one billion, two hundred forty-nine million, nine hundred forty-six thousand, four hundred fifty-four".