1051029989 has 2 divisors, whose sum is σ = 1051029990. Its totient is φ = 1051029988.

The previous prime is 1051029971. The next prime is 1051030051. The reversal of 1051029989 is 9899201501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050861889 + 168100 = 32417^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051029989 - 2²⁴ = 1034252773 is a prime.

It is a super-2 number, since 2×1051029989² = 2209328075554680242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051029389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525514994 + 525514995.

It is an arithmetic number, because the mean of its divisors is an integer number (525514995).

Almost surely, 2^1051029989 is an apocalyptic number.

It is an amenable number.

1051029989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051029989 is an equidigital number, since it uses as much as digits as its factorization.

1051029989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 1051029989 is about 32419.5926717163. The cubic root of 1051029989 is about 1016.7285901307.

The spelling of 1051029989 in words is "one billion, fifty-one million, twenty-nine thousand, nine hundred eighty-nine".