26142121 has 8 divisors (see below), whose sum is σ = 26507520. Its totient is φ = 25779072.

The previous prime is 26142113. The next prime is 26142143. The reversal of 26142121 is 12124162.

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

It is a cyclic number.

It is not a de Polignac number, because 26142121 - 2³ = 26142113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26142161) 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, 36000 + ... + 36718.

It is an arithmetic number, because the mean of its divisors is an integer number (3313440).

Almost surely, 2^26142121 is an apocalyptic number.

It is an amenable number.

26142121 is a deficient number, since it is larger than the sum of its proper divisors (365399).

26142121 is a wasteful number, since it uses less digits than its factorization.

26142121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175.

The product of its digits is 192, while the sum is 19.

The square root of 26142121 is about 5112.9366317215. The cubic root of 26142121 is about 296.7884120664.

Adding to 26142121 its reverse (12124162), we get a palindrome (38266283).

The spelling of 26142121 in words is "twenty-six million, one hundred forty-two thousand, one hundred twenty-one".