1022129372 has 12 divisors (see below), whose sum is σ = 1951337976. Its totient is φ = 464604240.

The previous prime is 1022129371. The next prime is 1022129473. The reversal of 1022129372 is 2739212201.

It is a super-2 number, since 2×1022129372² = 2089496906210228768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022129371) 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, 11615063 + ... + 11615150.

It is an arithmetic number, because the mean of its divisors is an integer number (162611498).

Almost surely, 2^1022129372 is an apocalyptic number.

It is an amenable number.

1022129372 is a deficient number, since it is larger than the sum of its proper divisors (929208604).

1022129372 is a wasteful number, since it uses less digits than its factorization.

1022129372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23230228 (or 23230226 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1022129372 is about 31970.7580767175. The cubic root of 1022129372 is about 1007.3227044469.

It can be divided in two parts, 10221 and 29372, that added together give a palindrome (39593).

The spelling of 1022129372 in words is "one billion, twenty-two million, one hundred twenty-nine thousand, three hundred seventy-two".