1245737485 has 8 divisors (see below), whose sum is σ = 1546432920. Its totient is φ = 962224704.

The previous prime is 1245737447. The next prime is 1245737501. The reversal of 1245737485 is 5847375421.

It can be written as a sum of positive squares in 4 ways, for example, as 43797924 + 1201939561 = 6618^2 + 34669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1245737485 - 2²⁷ = 1111519757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4295502 + ... + 4295791.

It is an arithmetic number, because the mean of its divisors is an integer number (193304115).

Almost surely, 2^1245737485 is an apocalyptic number.

It is an amenable number.

1245737485 is a deficient number, since it is larger than the sum of its proper divisors (300695435).

1245737485 is an equidigital number, since it uses as much as digits as its factorization.

1245737485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8591327.

The product of its digits is 940800, while the sum is 46.

The square root of 1245737485 is about 35295.0065165032. The cubic root of 1245737485 is about 1075.9915092290.

The spelling of 1245737485 in words is "one billion, two hundred forty-five million, seven hundred thirty-seven thousand, four hundred eighty-five".