121035156 has 24 divisors (see below), whose sum is σ = 308089824. Its totient is φ = 36677280.

The previous prime is 121035139. The next prime is 121035179. The reversal of 121035156 is 651530121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458335 + ... + 458598.

It is an arithmetic number, because the mean of its divisors is an integer number (12837076).

Almost surely, 2^121035156 is an apocalyptic number.

It is an amenable number.

121035156 is an abundant number, since it is smaller than the sum of its proper divisors (187054668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121035156 is a wasteful number, since it uses less digits than its factorization.

121035156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916951 (or 916949 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 121035156 is about 11001.5978839440. The cubic root of 121035156 is about 494.6566417939.

Adding to 121035156 its reverse (651530121), we get a palindrome (772565277).

The spelling of 121035156 in words is "one hundred twenty-one million, thirty-five thousand, one hundred fifty-six".