1521114671 has 2 divisors, whose sum is σ = 1521114672. Its totient is φ = 1521114670.

The previous prime is 1521114667. The next prime is 1521114703. The reversal of 1521114671 is 1764111251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1521114671 - 2² = 1521114667 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1521114571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760557335 + 760557336.

It is an arithmetic number, because the mean of its divisors is an integer number (760557336).

Almost surely, 2^1521114671 is an apocalyptic number.

1521114671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1521114671 is an equidigital number, since it uses as much as digits as its factorization.

1521114671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 29.

The square root of 1521114671 is about 39001.4701133175. The cubic root of 1521114671 is about 1150.0604053967.

The spelling of 1521114671 in words is "one billion, five hundred twenty-one million, one hundred fourteen thousand, six hundred seventy-one".