1500912901 has 2 divisors, whose sum is σ = 1500912902. Its totient is φ = 1500912900.

The previous prime is 1500912839. The next prime is 1500912911. The reversal of 1500912901 is 1092190051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1156068001 + 344844900 = 34001^2 + 18570^2 .

It is an emirp because it is prime and its reverse (1092190051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1500912901 - 2⁷ = 1500912773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1500912901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1500912911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750456450 + 750456451.

It is an arithmetic number, because the mean of its divisors is an integer number (750456451).

Almost surely, 2^1500912901 is an apocalyptic number.

It is an amenable number.

1500912901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500912901 is an equidigital number, since it uses as much as digits as its factorization.

1500912901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 1500912901 is about 38741.6171706861. The cubic root of 1500912901 is about 1144.9464200756.

The spelling of 1500912901 in words is "one billion, five hundred million, nine hundred twelve thousand, nine hundred one".