1126820090 has 16 divisors (see below), whose sum is σ = 2212665120. Its totient is φ = 409752720.

The previous prime is 1126820077. The next prime is 1126820131. The reversal of 1126820090 is 900286211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5121800 + ... + 5122019.

It is an arithmetic number, because the mean of its divisors is an integer number (138291570).

Almost surely, 2^1126820090 is an apocalyptic number.

1126820090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1126820090 is a deficient number, since it is larger than the sum of its proper divisors (1085845030).

1126820090 is a wasteful number, since it uses less digits than its factorization.

1126820090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10243837.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1126820090 is about 33568.1409970823. The cubic root of 1126820090 is about 1040.6024892881.

The spelling of 1126820090 in words is "one billion, one hundred twenty-six million, eight hundred twenty thousand, ninety".