26121123 has 40 divisors (see below), whose sum is σ = 46556928. Its totient is φ = 14270256.

The previous prime is 26121107. The next prime is 26121131. The reversal of 26121123 is 32112162.

It is not a de Polignac number, because 26121123 - 2⁴ = 26121107 is a prime.

It is a super-2 number, since 2×26121123² = 1364626133562258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26121096 and 26121105.

It is not an unprimeable number, because it can be changed into a prime (26121133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12040 + ... + 14042.

Almost surely, 2^26121123 is an apocalyptic number.

26121123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

26121123 is a deficient number, since it is larger than the sum of its proper divisors (20435805).

26121123 is a wasteful number, since it uses less digits than its factorization.

26121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045 (or 2036 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 26121123 is about 5110.8828004563. The cubic root of 26121123 is about 296.7089281768.

Adding to 26121123 its reverse (32112162), we get a palindrome (58233285).

It can be divided in two parts, 26121 and 123, that added together give a square (26244 = 162²).

The spelling of 26121123 in words is "twenty-six million, one hundred twenty-one thousand, one hundred twenty-three".