1230950911 has 4 divisors (see below), whose sum is σ = 1232687800. Its totient is φ = 1229214024.

The previous prime is 1230950863. The next prime is 1230950921. The reversal of 1230950911 is 1190590321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230950911 - 2²⁹ = 694079999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230950921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867381 + ... + 868798.

It is an arithmetic number, because the mean of its divisors is an integer number (308171950).

Almost surely, 2^1230950911 is an apocalyptic number.

1230950911 is a deficient number, since it is larger than the sum of its proper divisors (1736889).

1230950911 is an equidigital number, since it uses as much as digits as its factorization.

1230950911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736888.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 1230950911 is about 35084.9100184110. The cubic root of 1230950911 is about 1071.7173084024.

The spelling of 1230950911 in words is "one billion, two hundred thirty million, nine hundred fifty thousand, nine hundred eleven".