1161923126 has 16 divisors (see below), whose sum is σ = 2145089184. Its totient is φ = 459661824.

The previous prime is 1161923071. The next prime is 1161923129. The reversal of 1161923126 is 6213291611.

It is a super-2 number, since 2×1161923126² = 2700130701467223752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1161923092 and 1161923101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161923129) 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, 3191915 + ... + 3192278.

It is an arithmetic number, because the mean of its divisors is an integer number (134068074).

Almost surely, 2^1161923126 is an apocalyptic number.

1161923126 is a deficient number, since it is larger than the sum of its proper divisors (983166058).

1161923126 is a wasteful number, since it uses less digits than its factorization.

1161923126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384215.

The product of its digits is 3888, while the sum is 32.

The square root of 1161923126 is about 34086.9935019209. The cubic root of 1161923126 is about 1051.2979039958.

The spelling of 1161923126 in words is "one billion, one hundred sixty-one million, nine hundred twenty-three thousand, one hundred twenty-six".