124447081 has 4 divisors (see below), whose sum is σ = 135760464. Its totient is φ = 113133700.

The previous prime is 124447003. The next prime is 124447087. The reversal of 124447081 is 180744421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124447081 - 2¹¹ = 124445033 is a prime.

It is a super-2 number, since 2×124447081² = 30974151938841122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124447087) 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, 5656675 + ... + 5656696.

It is an arithmetic number, because the mean of its divisors is an integer number (33940116).

Almost surely, 2^124447081 is an apocalyptic number.

124447081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124447081 is a deficient number, since it is larger than the sum of its proper divisors (11313383).

124447081 is a wasteful number, since it uses less digits than its factorization.

124447081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11313382.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 124447081 is about 11155.5851930771. The cubic root of 124447081 is about 499.2616849852.

The spelling of 124447081 in words is "one hundred twenty-four million, four hundred forty-seven thousand, eighty-one".