1023296121 has 9 divisors (see below), whose sum is σ = 1478233029. Its totient is φ = 682133436.

The previous prime is 1023296107. The next prime is 1023296137. The reversal of 1023296121 is 1216923201.

The square root of 1023296121 is 31989.

It is a perfect power (a square), and thus also a powerful number.

1023296121 is a `hidden beast` number, since 1 + 0 + 23 + 29 + 612 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1023296121 - 2⁷ = 1023295993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023296171) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 90636 + ... + 101298.

Almost surely, 2^1023296121 is an apocalyptic number.

1023296121 is the 31989-th square number.

1023296121 is the 15995-th centered octagonal number.

It is an amenable number.

1023296121 is a deficient number, since it is larger than the sum of its proper divisors (454936908).

1023296121 is an frugal number, since it uses more digits than its factorization.

1023296121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21332 (or 10666 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The cubic root of 1023296121 is about 1007.7058411545.

Multiplying 1023296121 by its product of nonzero digits (1296), we get a square (1326191772816 = 1151604²).

The spelling of 1023296121 in words is "one billion, twenty-three million, two hundred ninety-six thousand, one hundred twenty-one".