1355042100 has 72 divisors (see below), whose sum is σ = 3975870528. Its totient is φ = 356249600.

The previous prime is 1355042077. The next prime is 1355042107. The reversal of 1355042100 is 12405531.

It is a super-2 number, since 2×1355042100² = 3672278185544820000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355042107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10509 + ... + 53108.

It is an arithmetic number, because the mean of its divisors is an integer number (55220424).

Almost surely, 2^1355042100 is an apocalyptic number.

1355042100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355042100 is an abundant number, since it is smaller than the sum of its proper divisors (2620828428).

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

1355042100 is a wasteful number, since it uses less digits than its factorization.

1355042100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63705 (or 63698 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1355042100 is about 36810.8964846009. The cubic root of 1355042100 is about 1106.5836849684.

Adding to 1355042100 its reverse (12405531), we get a palindrome (1367447631).

The spelling of 1355042100 in words is "one billion, three hundred fifty-five million, forty-two thousand, one hundred".