1257141484 has 12 divisors (see below), whose sum is σ = 2205805000. Its totient is φ = 626911488.

The previous prime is 1257141463. The next prime is 1257141493. The reversal of 1257141484 is 4841417521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413109 + ... + 416140.

Almost surely, 2^1257141484 is an apocalyptic number.

It is an amenable number.

1257141484 is a deficient number, since it is larger than the sum of its proper divisors (948663516).

1257141484 is a wasteful number, since it uses less digits than its factorization.

1257141484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829632 (or 829630 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 1257141484 is about 35456.1910531856. The cubic root of 1257141484 is about 1079.2648987156.

The spelling of 1257141484 in words is "one billion, two hundred fifty-seven million, one hundred forty-one thousand, four hundred eighty-four".