1520071375 has 8 divisors (see below), whose sum is σ = 1897049232. Its totient is φ = 1216057000.

The previous prime is 1520071361. The next prime is 1520071417. The reversal of 1520071375 is 5731700251.

It is not a de Polignac number, because 1520071375 - 2¹⁹ = 1519547087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6080161 + ... + 6080410.

It is an arithmetic number, because the mean of its divisors is an integer number (237131154).

Almost surely, 2^1520071375 is an apocalyptic number.

1520071375 is a deficient number, since it is larger than the sum of its proper divisors (376977857).

1520071375 is an equidigital number, since it uses as much as digits as its factorization.

1520071375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12160586 (or 12160576 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 1520071375 is about 38988.0927335514. The cubic root of 1520071375 is about 1149.7974123287.

The spelling of 1520071375 in words is "one billion, five hundred twenty million, seventy-one thousand, three hundred seventy-five".