302042100 has 72 divisors (see below), whose sum is σ = 897560608. Its totient is φ = 78364800.

The previous prime is 302042093. The next prime is 302042113. The reversal of 302042100 is 1240203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2506 + ... + 24705.

Almost surely, 2^302042100 is an apocalyptic number.

302042100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302042100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448780304).

302042100 is an abundant number, since it is smaller than the sum of its proper divisors (595518508).

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

302042100 is a wasteful number, since it uses less digits than its factorization.

302042100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27265 (or 27258 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 302042100 is about 17379.3584461568. The cubic root of 302042100 is about 670.9484599380.

Adding to 302042100 its reverse (1240203), we get a palindrome (303282303).

The spelling of 302042100 in words is "three hundred two million, forty-two thousand, one hundred".