1245732470 has 32 divisors (see below), whose sum is σ = 2268931392. Its totient is φ = 492400512.

The previous prime is 1245732461. The next prime is 1245732487. The reversal of 1245732470 is 742375421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245732470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630404 + ... + 632376.

It is an arithmetic number, because the mean of its divisors is an integer number (70904106).

Almost surely, 2^1245732470 is an apocalyptic number.

1245732470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1245732470 is a deficient number, since it is larger than the sum of its proper divisors (1023198922).

1245732470 is a wasteful number, since it uses less digits than its factorization.

1245732470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 1245732470 is about 35294.9354723875. The cubic root of 1245732470 is about 1075.9900653441.

The spelling of 1245732470 in words is "one billion, two hundred forty-five million, seven hundred thirty-two thousand, four hundred seventy".