1021130126 has 32 divisors (see below), whose sum is σ = 1702902528. Its totient is φ = 456762240.

The previous prime is 1021130119. The next prime is 1021130137. The reversal of 1021130126 is 6210311201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123461 + ... + 131471.

It is an arithmetic number, because the mean of its divisors is an integer number (53215704).

Almost surely, 2^1021130126 is an apocalyptic number.

1021130126 is a deficient number, since it is larger than the sum of its proper divisors (681772402).

1021130126 is a wasteful number, since it uses less digits than its factorization.

1021130126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1021130126 is about 31955.1267561248. The cubic root of 1021130126 is about 1006.9943404784.

Adding to 1021130126 its reverse (6210311201), we get a palindrome (7231441327).

The spelling of 1021130126 in words is "one billion, twenty-one million, one hundred thirty thousand, one hundred twenty-six".