1152475021 has 2 divisors, whose sum is σ = 1152475022. Its totient is φ = 1152475020.

The previous prime is 1152474997. The next prime is 1152475031. The reversal of 1152475021 is 1205742511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1142778025 + 9696996 = 33805^2 + 3114^2 .

It is an emirp because it is prime and its reverse (1205742511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1152475021 - 2⁹ = 1152474509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152475031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576237510 + 576237511.

It is an arithmetic number, because the mean of its divisors is an integer number (576237511).

Almost surely, 2^1152475021 is an apocalyptic number.

It is an amenable number.

1152475021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152475021 is an equidigital number, since it uses as much as digits as its factorization.

1152475021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1152475021 is about 33948.1224959496. The cubic root of 1152475021 is about 1048.4406243649.

The spelling of 1152475021 in words is "one billion, one hundred fifty-two million, four hundred seventy-five thousand, twenty-one".