26121142 has 4 divisors (see below), whose sum is σ = 39181716. Its totient is φ = 13060570.

The previous prime is 26121133. The next prime is 26121187. The reversal of 26121142 is 24112162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24112162 = 2 ⋅12056081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6530284 + ... + 6530287.

It is an arithmetic number, because the mean of its divisors is an integer number (9795429).

Almost surely, 2^26121142 is an apocalyptic number.

26121142 is a deficient number, since it is larger than the sum of its proper divisors (13060574).

26121142 is a wasteful number, since it uses less digits than its factorization.

26121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13060573.

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

The square root of 26121142 is about 5110.8846592346. The cubic root of 26121142 is about 296.7090001169.

The spelling of 26121142 in words is "twenty-six million, one hundred twenty-one thousand, one hundred forty-two".