1121311090 has 32 divisors (see below), whose sum is σ = 2046067776. Its totient is φ = 442401600.

The previous prime is 1121311073. The next prime is 1121311097. The reversal of 1121311090 is 901131211.

It is not an unprimeable number, because it can be changed into a prime (1121311097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283869 + ... + 287791.

It is an arithmetic number, because the mean of its divisors is an integer number (63939618).

Almost surely, 2^1121311090 is an apocalyptic number.

1121311090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121311090 is a deficient number, since it is larger than the sum of its proper divisors (924756686).

1121311090 is a wasteful number, since it uses less digits than its factorization.

1121311090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1121311090 is about 33485.9834856317. The cubic root of 1121311090 is about 1038.9038901540.

The spelling of 1121311090 in words is "one billion, one hundred twenty-one million, three hundred eleven thousand, ninety".