1055129736 has 128 divisors (see below), whose sum is σ = 2914416000. Its totient is φ = 317011968.

The previous prime is 1055129731. The next prime is 1055129737. The reversal of 1055129736 is 6379215501.

It is a super-2 number, since 2×1055129736² = 2226597519582859392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055129694 and 1055129703.

It is not an unprimeable number, because it can be changed into a prime (1055129731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 964806 + ... + 965898.

It is an arithmetic number, because the mean of its divisors is an integer number (22768875).

Almost surely, 2^1055129736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055129736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457208000).

1055129736 is an abundant number, since it is smaller than the sum of its proper divisors (1859286264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055129736 is a wasteful number, since it uses less digits than its factorization.

1055129736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 1055129736 is about 32482.7605969690. The cubic root of 1055129736 is about 1018.0488575355.

The spelling of 1055129736 in words is "one billion, fifty-five million, one hundred twenty-nine thousand, seven hundred thirty-six".