121037994 has 144 divisors (see below), whose sum is σ = 349562304. Its totient is φ = 29525760.

The previous prime is 121037971. The next prime is 121038013. The reversal of 121037994 is 499730121.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 258949 + ... + 259415.

It is an arithmetic number, because the mean of its divisors is an integer number (2427516).

Almost surely, 2^121037994 is an apocalyptic number.

121037994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121037994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174781152).

121037994 is an abundant number, since it is smaller than the sum of its proper divisors (228524310).

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

121037994 is a wasteful number, since it uses less digits than its factorization.

121037994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 121037994 is about 11001.7268644518. The cubic root of 121037994 is about 494.6605079559.

It can be divided in two parts, 1210 and 37994, that added together give a square (39204 = 198²).

The spelling of 121037994 in words is "one hundred twenty-one million, thirty-seven thousand, nine hundred ninety-four".