1002253126 has 16 divisors (see below), whose sum is σ = 1773573120. Its totient is φ = 415680840.

The previous prime is 1002253117. The next prime is 1002253127. The reversal of 1002253126 is 6213522001.

It is a super-2 number, since 2×1002253126² = 2009022657153543752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002253097 and 1002253106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002253127) 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, 1154236 + ... + 1155103.

It is an arithmetic number, because the mean of its divisors is an integer number (110848320).

Almost surely, 2^1002253126 is an apocalyptic number.

1002253126 is a deficient number, since it is larger than the sum of its proper divisors (771319994).

1002253126 is a wasteful number, since it uses less digits than its factorization.

1002253126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309379.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1002253126 is about 31658.3816074037. The cubic root of 1002253126 is about 1000.7504786409.

Adding to 1002253126 its reverse (6213522001), we get a palindrome (7215775127).

The spelling of 1002253126 in words is "one billion, two million, two hundred fifty-three thousand, one hundred twenty-six".