654030102 has 32 divisors (see below), whose sum is σ = 1430288640. Its totient is φ = 197730720.

The previous prime is 654030079. The next prime is 654030109. The reversal of 654030102 is 201030456.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654030109) 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, 17688 + ... + 40260.

It is an arithmetic number, because the mean of its divisors is an integer number (44696520).

Almost surely, 2^654030102 is an apocalyptic number.

654030102 is an abundant number, since it is smaller than the sum of its proper divisors (776258538).

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

654030102 is a wasteful number, since it uses less digits than its factorization.

654030102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23028.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 654030102 is about 25574.0122389898. The cubic root of 654030102 is about 868.0256908378.

Adding to 654030102 its reverse (201030456), we get a palindrome (855060558).

The spelling of 654030102 in words is "six hundred fifty-four million, thirty thousand, one hundred two".