1047248742 has 32 divisors (see below), whose sum is σ = 2193765120. Its totient is φ = 332652320.

The previous prime is 1047248737. The next prime is 1047248743. The reversal of 1047248742 is 2478427401.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1047248742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047248743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23017 + ... + 51227.

It is an arithmetic number, because the mean of its divisors is an integer number (68555160).

Almost surely, 2^1047248742 is an apocalyptic number.

1047248742 is an abundant number, since it is smaller than the sum of its proper divisors (1146516378).

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

1047248742 is a wasteful number, since it uses less digits than its factorization.

1047248742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28508.

The product of its (nonzero) digits is 100352, while the sum is 39.

The square root of 1047248742 is about 32361.2228137319. Note that the first 3 decimals coincide. The cubic root of 1047248742 is about 1015.5078442560.

The spelling of 1047248742 in words is "one billion, forty-seven million, two hundred forty-eight thousand, seven hundred forty-two".