1293880572 has 36 divisors (see below), whose sum is σ = 3296407296. Its totient is φ = 427896000.

The previous prime is 1293880513. The next prime is 1293880597. The reversal of 1293880572 is 2750883921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136929 + ... + 146072.

Almost surely, 2^1293880572 is an apocalyptic number.

1293880572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1293880572 is an abundant number, since it is smaller than the sum of its proper divisors (2002526724).

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

1293880572 is a wasteful number, since it uses less digits than its factorization.

1293880572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283138 (or 283133 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1293880572 is about 35970.5514553224. The cubic root of 1293880572 is about 1089.6777017531.

The spelling of 1293880572 in words is "one billion, two hundred ninety-three million, eight hundred eighty thousand, five hundred seventy-two".