1520422017 has 8 divisors (see below), whose sum is σ = 2027683296. Its totient is φ = 1013387712.

The previous prime is 1520422003. The next prime is 1520422031. The reversal of 1520422017 is 7102240251.

1520422017 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1520422003) and next prime (1520422031).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1520422017 - 2⁶ = 1520421953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1520422067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40443 + ... + 68384.

It is an arithmetic number, because the mean of its divisors is an integer number (253460412).

Almost surely, 2^1520422017 is an apocalyptic number.

It is an amenable number.

1520422017 is a deficient number, since it is larger than the sum of its proper divisors (507261279).

1520422017 is a wasteful number, since it uses less digits than its factorization.

1520422017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113487.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 1520422017 is about 38992.5892574474. The cubic root of 1520422017 is about 1149.8858152539.

Adding to 1520422017 its reverse (7102240251), we get a palindrome (8622662268).

The spelling of 1520422017 in words is "one billion, five hundred twenty million, four hundred twenty-two thousand, seventeen".