1501135187 has 2 divisors, whose sum is σ = 1501135188. Its totient is φ = 1501135186.

The previous prime is 1501135133. The next prime is 1501135189. The reversal of 1501135187 is 7815311051.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1501135187 - 2⁸ = 1501134931 is a prime.

Together with 1501135189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1501135189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750567593 + 750567594.

It is an arithmetic number, because the mean of its divisors is an integer number (750567594).

Almost surely, 2^1501135187 is an apocalyptic number.

1501135187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501135187 is an equidigital number, since it uses as much as digits as its factorization.

1501135187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 32.

The square root of 1501135187 is about 38744.4858915433. The cubic root of 1501135187 is about 1145.0029396771.

The spelling of 1501135187 in words is "one billion, five hundred one million, one hundred thirty-five thousand, one hundred eighty-seven".