11920541 has 2 divisors, whose sum is σ = 11920542. Its totient is φ = 11920540.

The previous prime is 11920529. The next prime is 11920561. The reversal of 11920541 is 14502911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9211225 + 2709316 = 3035^2 + 1646^2 .

It is a cyclic number.

It is not a de Polignac number, because 11920541 - 2²² = 7726237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11920511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5960270 + 5960271.

It is an arithmetic number, because the mean of its divisors is an integer number (5960271).

Almost surely, 2^11920541 is an apocalyptic number.

It is an amenable number.

11920541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11920541 is an equidigital number, since it uses as much as digits as its factorization.

11920541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 11920541 is about 3452.6136476588. The cubic root of 11920541 is about 228.4364076636.

The spelling of 11920541 in words is "eleven million, nine hundred twenty thousand, five hundred forty-one".