121026461 has 4 divisors (see below), whose sum is σ = 121420992. Its totient is φ = 120631932.

The previous prime is 121026443. The next prime is 121026463. The reversal of 121026461 is 164620121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 164620121 = 79 ⋅2083799.

It is a cyclic number.

It is not a de Polignac number, because 121026461 - 2²⁶ = 53917597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121026463) 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, 196805 + ... + 197418.

It is an arithmetic number, because the mean of its divisors is an integer number (30355248).

Almost surely, 2^121026461 is an apocalyptic number.

It is an amenable number.

121026461 is a deficient number, since it is larger than the sum of its proper divisors (394531).

121026461 is an equidigital number, since it uses as much as digits as its factorization.

121026461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394530.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 121026461 is about 11001.2027069771. The cubic root of 121026461 is about 494.6447963581.

Adding to 121026461 its reverse (164620121), we get a palindrome (285646582).

The spelling of 121026461 in words is "one hundred twenty-one million, twenty-six thousand, four hundred sixty-one".