121552010 has 16 divisors (see below), whose sum is σ = 228306816. Its totient is φ = 46506768.

The previous prime is 121551973. The next prime is 121552019. The reversal of 121552010 is 10255121.

It is a super-2 number, since 2×121552010² = 29549782270080200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121552010.

It is not an unprimeable number, because it can be changed into a prime (121552019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264014 + ... + 264473.

It is an arithmetic number, because the mean of its divisors is an integer number (14269176).

Almost surely, 2^121552010 is an apocalyptic number.

121552010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121552010 is a deficient number, since it is larger than the sum of its proper divisors (106754806).

121552010 is a wasteful number, since it uses less digits than its factorization.

121552010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528517.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 121552010 is about 11025.0628116125. The cubic root of 121552010 is about 495.3597493662.

The spelling of 121552010 in words is "one hundred twenty-one million, five hundred fifty-two thousand, ten".