1126979700 has 144 divisors (see below), whose sum is σ = 4065406464. Its totient is φ = 234172800.

The previous prime is 1126979683. The next prime is 1126979713. The reversal of 1126979700 is 79796211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1294 + ... + 47493.

Almost surely, 2^1126979700 is an apocalyptic number.

1126979700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126979700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032703232).

1126979700 is an abundant number, since it is smaller than the sum of its proper divisors (2938426764).

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

1126979700 is a wasteful number, since it uses less digits than its factorization.

1126979700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48822 (or 48815 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 42.

The square root of 1126979700 is about 33570.5183159271. The cubic root of 1126979700 is about 1040.6516194978.

The spelling of 1126979700 in words is "one billion, one hundred twenty-six million, nine hundred seventy-nine thousand, seven hundred".