121234125 has 32 divisors (see below), whose sum is σ = 203164416. Its totient is φ = 64200000.

The previous prime is 121234121. The next prime is 121234159. The reversal of 121234125 is 521432121.

It is not a de Polignac number, because 121234125 - 2² = 121234121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121234121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55555 + ... + 57695.

It is an arithmetic number, because the mean of its divisors is an integer number (6348888).

Almost surely, 2^121234125 is an apocalyptic number.

121234125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121234125 is a deficient number, since it is larger than the sum of its proper divisors (81930291).

121234125 is a wasteful number, since it uses less digits than its factorization.

121234125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310 (or 2300 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 121234125 is about 11010.6369025593. The cubic root of 121234125 is about 494.9275478082.

Adding to 121234125 its reverse (521432121), we get a palindrome (642666246).

The spelling of 121234125 in words is "one hundred twenty-one million, two hundred thirty-four thousand, one hundred twenty-five".