102401530 has 32 divisors (see below), whose sum is σ = 229806720. Its totient is φ = 31917120.

The previous prime is 102401513. The next prime is 102401539. The reversal of 102401530 is 35104201.

It is not an unprimeable number, because it can be changed into a prime (102401539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65725 + ... + 67264.

It is an arithmetic number, because the mean of its divisors is an integer number (7181460).

Almost surely, 2^102401530 is an apocalyptic number.

102401530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102401530 is an abundant number, since it is smaller than the sum of its proper divisors (127405190).

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

102401530 is a wasteful number, since it uses less digits than its factorization.

102401530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133014.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102401530 is about 10119.3641104567. The cubic root of 102401530 is about 467.8451681791.

Adding to 102401530 its reverse (35104201), we get a palindrome (137505731).

The spelling of 102401530 in words is "one hundred two million, four hundred one thousand, five hundred thirty".