121203025 has 24 divisors (see below), whose sum is σ = 158791424. Its totient is φ = 91627200.

The previous prime is 121202981. The next prime is 121203037. The reversal of 121203025 is 520302121.

It is not a de Polignac number, because 121203025 - 2¹³ = 121194833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31507 + ... + 35143.

Almost surely, 2^121203025 is an apocalyptic number.

It is an amenable number.

121203025 is a deficient number, since it is larger than the sum of its proper divisors (37588399).

121203025 is a wasteful number, since it uses less digits than its factorization.

121203025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721 (or 3716 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 121203025 is about 11009.2245412654. The cubic root of 121203025 is about 494.8852231929.

Adding to 121203025 its reverse (520302121), we get a palindrome (641505146).

The spelling of 121203025 in words is "one hundred twenty-one million, two hundred three thousand, twenty-five".