121025434 has 4 divisors (see below), whose sum is σ = 181538154. Its totient is φ = 60512716.

The previous prime is 121025419. The next prime is 121025441. The reversal of 121025434 is 434520121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 117614025 + 3411409 = 10845^2 + 1847^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30256357 + ... + 30256360.

Almost surely, 2^121025434 is an apocalyptic number.

121025434 is a deficient number, since it is larger than the sum of its proper divisors (60512720).

121025434 is an equidigital number, since it uses as much as digits as its factorization.

121025434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60512719.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 121025434 is about 11001.1560301634. The cubic root of 121025434 is about 494.6433972105.

Adding to 121025434 its reverse (434520121), we get a palindrome (555545555).

The spelling of 121025434 in words is "one hundred twenty-one million, twenty-five thousand, four hundred thirty-four".