121046240 has 192 divisors, whose sum is σ = 353009664. Its totient is φ = 38320128.

The previous prime is 121046231. The next prime is 121046243. The reversal of 121046240 is 42640121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121046243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 953057 + ... + 953183.

It is an arithmetic number, because the mean of its divisors is an integer number (1838592).

Almost surely, 2^121046240 is an apocalyptic number.

121046240 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 121046240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176504832).

121046240 is an abundant number, since it is smaller than the sum of its proper divisors (231963424).

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

121046240 is a wasteful number, since it uses less digits than its factorization.

121046240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 121046240 is about 11002.1016174184. The cubic root of 121046240 is about 494.6717410070.

Adding to 121046240 its reverse (42640121), we get a palindrome (163686361).

It can be divided in two parts, 1210 and 46240, that multiplied together give a square (55950400 = 7480²).

The spelling of 121046240 in words is "one hundred twenty-one million, forty-six thousand, two hundred forty".