120135001530 has 64 divisors (see below), whose sum is σ = 297708945408. Its totient is φ = 30993814080.

The previous prime is 120135001529. The next prime is 120135001537. The reversal of 120135001530 is 35100531021.

It is a super-2 number, since 2×120135001530² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120135001497 and 120135001506.

It is not an unprimeable number, because it can be changed into a prime (120135001537) 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, 3673029 + ... + 3705591.

It is an arithmetic number, because the mean of its divisors is an integer number (4651702272).

Almost surely, 2^120135001530 is an apocalyptic number.

120135001530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120135001530 is an abundant number, since it is smaller than the sum of its proper divisors (177573943878).

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

120135001530 is a wasteful number, since it uses less digits than its factorization.

120135001530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36571.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 120135001530 its reverse (35100531021), we get a palindrome (155235532551).

The spelling of 120135001530 in words is "one hundred twenty billion, one hundred thirty-five million, one thousand, five hundred thirty".