1020151017 has 20 divisors (see below), whose sum is σ = 1534039936. Its totient is φ = 675588600.

The previous prime is 1020151003. The next prime is 1020151043. The reversal of 1020151017 is 7101510201.

It is a happy number.

It is not a de Polignac number, because 1020151017 - 2²⁸ = 751715561 is a prime.

It is a super-2 number, since 2×1020151017² = 2081416194972268578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020151057) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29473 + ... + 53934.

Almost surely, 2^1020151017 is an apocalyptic number.

It is an amenable number.

1020151017 is a deficient number, since it is larger than the sum of its proper divisors (513888919).

1020151017 is an equidigital number, since it uses as much as digits as its factorization.

1020151017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83570 (or 83561 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 1020151017 is about 31939.8030206825. The cubic root of 1020151017 is about 1006.6723859131.

Adding to 1020151017 its reverse (7101510201), we get a palindrome (8121661218).

The spelling of 1020151017 in words is "one billion, twenty million, one hundred fifty-one thousand, seventeen".