1029715144 has 16 divisors (see below), whose sum is σ = 1934516700. Its totient is φ = 513844032.

The previous prime is 1029715139. The next prime is 1029715163. The reversal of 1029715144 is 4415179201.

It can be written as a sum of positive squares in 2 ways, for example, as 997928100 + 31787044 = 31590^2 + 5638^2 .

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 3 ways as a sum of consecutive naturals, for example, 122367 + ... + 130510.

Almost surely, 2^1029715144 is an apocalyptic number.

It is an amenable number.

1029715144 is a deficient number, since it is larger than the sum of its proper divisors (904801556).

1029715144 is a wasteful number, since it uses less digits than its factorization.

1029715144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253392 (or 253388 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1029715144 is about 32089.1748725329. The cubic root of 1029715144 is about 1009.8085262623.

The spelling of 1029715144 in words is "one billion, twenty-nine million, seven hundred fifteen thousand, one hundred forty-four".