1126653890 has 8 divisors (see below), whose sum is σ = 2027977020. Its totient is φ = 450661552.

The previous prime is 1126653859. The next prime is 1126653901. The reversal of 1126653890 is 983566211.

It can be written as a sum of positive squares in 2 ways, for example, as 1018056649 + 108597241 = 31907^2 + 10421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56332685 + ... + 56332704.

Almost surely, 2^1126653890 is an apocalyptic number.

1126653890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1126653890 is a deficient number, since it is larger than the sum of its proper divisors (901323130).

1126653890 is a wasteful number, since it uses less digits than its factorization.

1126653890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112665396.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1126653890 is about 33565.6653442174. The cubic root of 1126653890 is about 1040.5513256525.

It can be divided in two parts, 11266 and 53890, that added together give a palindrome (65156).

The spelling of 1126653890 in words is "one billion, one hundred twenty-six million, six hundred fifty-three thousand, eight hundred ninety".