121449370 has 32 divisors (see below), whose sum is σ = 253271808. Its totient is φ = 41067648.

The previous prime is 121449347. The next prime is 121449373. The reversal of 121449370 is 73944121.

It is not an unprimeable number, because it can be changed into a prime (121449373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6774 + ... + 16993.

It is an arithmetic number, because the mean of its divisors is an integer number (7914744).

Almost surely, 2^121449370 is an apocalyptic number.

121449370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121449370 is an abundant number, since it is smaller than the sum of its proper divisors (131822438).

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

121449370 is a wasteful number, since it uses less digits than its factorization.

121449370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23854.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 121449370 is about 11020.4069797807. The cubic root of 121449370 is about 495.2202808308.

The spelling of 121449370 in words is "one hundred twenty-one million, four hundred forty-nine thousand, three hundred seventy".