1301208428 has 48 divisors (see below), whose sum is σ = 2490956160. Its totient is φ = 591162624.

The previous prime is 1301208427. The next prime is 1301208439. The reversal of 1301208428 is 8248021031.

It is a self number, because there is not a number n which added to its sum of digits gives 1301208428.

It is not an unprimeable number, because it can be changed into a prime (1301208427) 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, 979901 + ... + 981227.

It is an arithmetic number, because the mean of its divisors is an integer number (51894920).

Almost surely, 2^1301208428 is an apocalyptic number.

It is an amenable number.

1301208428 is a deficient number, since it is larger than the sum of its proper divisors (1189747732).

1301208428 is a wasteful number, since it uses less digits than its factorization.

1301208428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1301208428 is about 36072.2667433029. The cubic root of 1301208428 is about 1091.7309500543.

Adding to 1301208428 its reverse (8248021031), we get a palindrome (9549229459).

The spelling of 1301208428 in words is "one billion, three hundred one million, two hundred eight thousand, four hundred twenty-eight".