1245228686 has 8 divisors (see below), whose sum is σ = 2011523304. Its totient is φ = 574720920.

The previous prime is 1245228679. The next prime is 1245228773. The reversal of 1245228686 is 6868225421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23946680 + ... + 23946731.

It is an arithmetic number, because the mean of its divisors is an integer number (251440413).

Almost surely, 2^1245228686 is an apocalyptic number.

1245228686 is a deficient number, since it is larger than the sum of its proper divisors (766294618).

1245228686 is a wasteful number, since it uses less digits than its factorization.

1245228686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47893426.

The product of its digits is 368640, while the sum is 44.

The square root of 1245228686 is about 35287.7979760710. The cubic root of 1245228686 is about 1075.8449995078.

The spelling of 1245228686 in words is "one billion, two hundred forty-five million, two hundred twenty-eight thousand, six hundred eighty-six".