1074152721 has 16 divisors (see below), whose sum is σ = 1505885760. Its totient is φ = 680070720.

The previous prime is 1074152713. The next prime is 1074152731. The reversal of 1074152721 is 1272514701.

It is not a de Polignac number, because 1074152721 - 2³ = 1074152713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1074152731) 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, 95895 + ... + 106508.

It is an arithmetic number, because the mean of its divisors is an integer number (94117860).

Almost surely, 2^1074152721 is an apocalyptic number.

It is an amenable number.

1074152721 is a deficient number, since it is larger than the sum of its proper divisors (431733039).

1074152721 is a wasteful number, since it uses less digits than its factorization.

1074152721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202496.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 1074152721 is about 32774.2691909370. The cubic root of 1074152721 is about 1024.1306039802.

The spelling of 1074152721 in words is "one billion, seventy-four million, one hundred fifty-two thousand, seven hundred twenty-one".