11921050 has 24 divisors (see below), whose sum is σ = 22891392. Its totient is φ = 4614000.

The previous prime is 11921027. The next prime is 11921051. The reversal of 11921050 is 5012911.

It is a super-2 number, since 2×11921050² = 284222866205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11921051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2296 + ... + 5395.

It is an arithmetic number, because the mean of its divisors is an integer number (953808).

Almost surely, 2^11921050 is an apocalyptic number.

11921050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11921050 is a deficient number, since it is larger than the sum of its proper divisors (10970342).

11921050 is a wasteful number, since it uses less digits than its factorization.

11921050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7734 (or 7729 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 11921050 is about 3452.6873591450. The cubic root of 11921050 is about 228.4396589835.

Adding to 11921050 its reverse (5012911), we get a palindrome (16933961).

The spelling of 11921050 in words is "eleven million, nine hundred twenty-one thousand, fifty".