121450782 has 16 divisors (see below), whose sum is σ = 251277840. Its totient is φ = 39087552.

The previous prime is 121450781. The next prime is 121450799. The reversal of 121450782 is 287054121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121450781) 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, 348823 + ... + 349170.

It is an arithmetic number, because the mean of its divisors is an integer number (15704865).

Almost surely, 2^121450782 is an apocalyptic number.

121450782 is an abundant number, since it is smaller than the sum of its proper divisors (129827058).

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

121450782 is a wasteful number, since it uses less digits than its factorization.

121450782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698027.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 121450782 is about 11020.4710425644. The cubic root of 121450782 is about 495.2222000073. Note that the first 4 decimals are identical.

The spelling of 121450782 in words is "one hundred twenty-one million, four hundred fifty thousand, seven hundred eighty-two".