1245286284 has 24 divisors (see below), whose sum is σ = 3169819968. Its totient is φ = 377359440.

The previous prime is 1245286271. The next prime is 1245286307. The reversal of 1245286284 is 4826825421.

It is a super-3 number, since 3×1245286284³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4716862 + ... + 4717125.

It is an arithmetic number, because the mean of its divisors is an integer number (132075832).

Almost surely, 2^1245286284 is an apocalyptic number.

It is an amenable number.

1245286284 is an abundant number, since it is smaller than the sum of its proper divisors (1924533684).

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

1245286284 is a wasteful number, since it uses less digits than its factorization.

1245286284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9434005 (or 9434003 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 1245286284 is about 35288.6140844324. The cubic root of 1245286284 is about 1075.8615869737.

The spelling of 1245286284 in words is "one billion, two hundred forty-five million, two hundred eighty-six thousand, two hundred eighty-four".