1126211690 has 16 divisors (see below), whose sum is σ = 2027570400. Its totient is φ = 450398160.

The previous prime is 1126211689. The next prime is 1126211693. The reversal of 1126211690 is 961126211.

It is a super-2 number, since 2×1126211690² = 2536705541385312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1126211693) 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, 80861 + ... + 93759.

It is an arithmetic number, because the mean of its divisors is an integer number (126723150).

Almost surely, 2^1126211690 is an apocalyptic number.

1126211690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1126211690 is a deficient number, since it is larger than the sum of its proper divisors (901358710).

1126211690 is a wasteful number, since it uses less digits than its factorization.

1126211690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21637.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1126211690 is about 33559.0776094934. The cubic root of 1126211690 is about 1040.4151726268.

The spelling of 1126211690 in words is "one billion, one hundred twenty-six million, two hundred eleven thousand, six hundred ninety".