1245491334 has 24 divisors (see below), whose sum is σ = 2723326320. Its totient is φ = 411354288.

The previous prime is 1245491323. The next prime is 1245491353. The reversal of 1245491334 is 4331945421.

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 11 ways as a sum of consecutive naturals, for example, 315442 + ... + 319365.

It is an arithmetic number, because the mean of its divisors is an integer number (113471930).

Almost surely, 2^1245491334 is an apocalyptic number.

1245491334 is an abundant number, since it is smaller than the sum of its proper divisors (1477834986).

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

1245491334 is a wasteful number, since it uses less digits than its factorization.

1245491334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634924 (or 634921 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 1245491334 is about 35291.5192928839. The cubic root of 1245491334 is about 1075.9206345234.

The spelling of 1245491334 in words is "one billion, two hundred forty-five million, four hundred ninety-one thousand, three hundred thirty-four".