1301402100 has 72 divisors (see below), whose sum is σ = 3929123520. Its totient is φ = 331950080.

The previous prime is 1301402029. The next prime is 1301402101. The reversal of 1301402100 is 12041031.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301402101) 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, 87405 + ... + 101204.

It is an arithmetic number, because the mean of its divisors is an integer number (54571160).

Almost surely, 2^1301402100 is an apocalyptic number.

1301402100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301402100 is an abundant number, since it is smaller than the sum of its proper divisors (2627721420).

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

1301402100 is a wasteful number, since it uses less digits than its factorization.

1301402100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188649 (or 188642 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1301402100 is about 36074.9511434181. The cubic root of 1301402100 is about 1091.7851118173.

Adding to 1301402100 its reverse (12041031), we get a palindrome (1313443131).

The spelling of 1301402100 in words is "one billion, three hundred one million, four hundred two thousand, one hundred".