12101457 has 8 divisors (see below), whose sum is σ = 16339840. Its totient is φ = 7965360.

The previous prime is 12101443. The next prime is 12101459. The reversal of 12101457 is 75410121.

It is a happy number.

12101457 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12101457 - 2⁶ = 12101393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101459) 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, 25294 + ... + 25767.

It is an arithmetic number, because the mean of its divisors is an integer number (2042480).

Almost surely, 2^12101457 is an apocalyptic number.

It is an amenable number.

12101457 is a deficient number, since it is larger than the sum of its proper divisors (4238383).

12101457 is an equidigital number, since it uses as much as digits as its factorization.

12101457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51143.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 12101457 is about 3478.7148489061. The cubic root of 12101457 is about 229.5862568006.

Adding to 12101457 its reverse (75410121), we get a palindrome (87511578).

The spelling of 12101457 in words is "twelve million, one hundred one thousand, four hundred fifty-seven".