120449621798 has 16 divisors (see below), whose sum is σ = 197967668544. Its totient is φ = 54508637160.

The previous prime is 120449621777. The next prime is 120449621819. The reversal of 120449621798 is 897126944021.

It is an interprime number because it is at equal distance from previous prime (120449621777) and next prime (120449621819).

It is a super-2 number, since 2×120449621798² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12054440 + ... + 12064427.

It is an arithmetic number, because the mean of its divisors is an integer number (12372979284).

Almost surely, 2^120449621798 is an apocalyptic number.

120449621798 is a deficient number, since it is larger than the sum of its proper divisors (77518046746).

120449621798 is a wasteful number, since it uses less digits than its factorization.

120449621798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24119107.

The product of its (nonzero) digits is 1741824, while the sum is 53.

It can be divided in two parts, 120449 and 621798, that added together give a palindrome (742247).

The spelling of 120449621798 in words is "one hundred twenty billion, four hundred forty-nine million, six hundred twenty-one thousand, seven hundred ninety-eight".