1301945285 has 16 divisors (see below), whose sum is σ = 1668349440. Its totient is φ = 973197120.

The previous prime is 1301945279. The next prime is 1301945287. The reversal of 1301945285 is 5825491031.

It is a happy number.

It is not a de Polignac number, because 1301945285 - 2¹² = 1301941189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301945287) 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, 140327 + ... + 149316.

It is an arithmetic number, because the mean of its divisors is an integer number (104271840).

Almost surely, 2^1301945285 is an apocalyptic number.

It is an amenable number.

1301945285 is a deficient number, since it is larger than the sum of its proper divisors (366404155).

1301945285 is a wasteful number, since it uses less digits than its factorization.

1301945285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289708.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 1301945285 is about 36082.4789198303. The cubic root of 1301945285 is about 1091.9369887318.

The spelling of 1301945285 in words is "one billion, three hundred one million, nine hundred forty-five thousand, two hundred eighty-five".