1021401304 has 32 divisors (see below), whose sum is σ = 2387692800. Its totient is φ = 397948320.

The previous prime is 1021401301. The next prime is 1021401313. The reversal of 1021401304 is 4031041201.

1021401304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021401301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828444 + ... + 829675.

It is an arithmetic number, because the mean of its divisors is an integer number (74615400).

Almost surely, 2^1021401304 is an apocalyptic number.

1021401304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1021401304 is an abundant number, since it is smaller than the sum of its proper divisors (1366291496).

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

1021401304 is a wasteful number, since it uses less digits than its factorization.

1021401304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658143 (or 1658139 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1021401304 is about 31959.3695807661. The cubic root of 1021401304 is about 1007.0834739246.

Adding to 1021401304 its reverse (4031041201), we get a palindrome (5052442505).

The spelling of 1021401304 in words is "one billion, twenty-one million, four hundred one thousand, three hundred four".