1245485841 has 16 divisors (see below), whose sum is σ = 1799227584. Its totient is φ = 763305984.

The previous prime is 1245485803. The next prime is 1245485851. The reversal of 1245485841 is 1485845421.

It is not a de Polignac number, because 1245485841 - 2²³ = 1237097233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245485793 and 1245485802.

It is not an unprimeable number, because it can be changed into a prime (1245485851) 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, 281776 + ... + 286161.

It is an arithmetic number, because the mean of its divisors is an integer number (112451724).

Almost surely, 2^1245485841 is an apocalyptic number.

It is an amenable number.

1245485841 is a deficient number, since it is larger than the sum of its proper divisors (553741743).

1245485841 is a wasteful number, since it uses less digits than its factorization.

1245485841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568000.

The product of its digits is 204800, while the sum is 42.

The square root of 1245485841 is about 35291.4414695688. The cubic root of 1245485841 is about 1075.9190528073.

The spelling of 1245485841 in words is "one billion, two hundred forty-five million, four hundred eighty-five thousand, eight hundred forty-one".