1020051151 has 4 divisors (see below), whose sum is σ = 1165772752. Its totient is φ = 874329552.

The previous prime is 1020051139. The next prime is 1020051167. The reversal of 1020051151 is 1511500201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020051151 - 2⁹ = 1020050639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020051251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72860790 + ... + 72860803.

It is an arithmetic number, because the mean of its divisors is an integer number (291443188).

Almost surely, 2^1020051151 is an apocalyptic number.

1020051151 is a deficient number, since it is larger than the sum of its proper divisors (145721601).

1020051151 is an equidigital number, since it uses as much as digits as its factorization.

1020051151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145721600.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 1020051151 is about 31938.2396352711. The cubic root of 1020051151 is about 1006.6395359972.

Adding to 1020051151 its reverse (1511500201), we get a palindrome (2531551352).

The spelling of 1020051151 in words is "one billion, twenty million, fifty-one thousand, one hundred fifty-one".