120355421034 has 24 divisors (see below), whose sum is σ = 246725053920. Its totient is φ = 39139971040.

The previous prime is 120355421027. The next prime is 120355421041. The reversal of 120355421034 is 430124553021.

It is an interprime number because it is at equal distance from previous prime (120355421027) and next prime (120355421041).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120355420992 and 120355421010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5956374 + ... + 5976545.

It is an arithmetic number, because the mean of its divisors is an integer number (10280210580).

Almost surely, 2^120355421034 is an apocalyptic number.

120355421034 is an abundant number, since it is smaller than the sum of its proper divisors (126369632886).

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

120355421034 is a wasteful number, since it uses less digits than its factorization.

120355421034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11933006 (or 11932965 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 120355421034 its reverse (430124553021), we get a palindrome (550479974055).

The spelling of 120355421034 in words is "one hundred twenty billion, three hundred fifty-five million, four hundred twenty-one thousand, thirty-four".