121049760 has 192 divisors, whose sum is σ = 432673920. Its totient is φ = 28200960.

The previous prime is 121049749. The next prime is 121049801. The reversal of 121049760 is 67940121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118050 + ... + 119070.

It is an arithmetic number, because the mean of its divisors is an integer number (2253510).

Almost surely, 2^121049760 is an apocalyptic number.

121049760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121049760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216336960).

121049760 is an abundant number, since it is smaller than the sum of its proper divisors (311624160).

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

121049760 is a wasteful number, since it uses less digits than its factorization.

121049760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 121049760 is about 11002.2615856923. The cubic root of 121049760 is about 494.6765359450.

Adding to 121049760 its reverse (67940121), we get a palindrome (188989881).

The spelling of 121049760 in words is "one hundred twenty-one million, forty-nine thousand, seven hundred sixty".