1284902948 has 24 divisors (see below), whose sum is σ = 2576112000. Its totient is φ = 549321408.

The previous prime is 1284902947. The next prime is 1284902951. The reversal of 1284902948 is 8492094821.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1284902947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44648 + ... + 67551.

It is an arithmetic number, because the mean of its divisors is an integer number (107338000).

Almost surely, 2^1284902948 is an apocalyptic number.

It is an amenable number.

1284902948 is an abundant number, since it is smaller than the sum of its proper divisors (1291209052).

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

1284902948 is a wasteful number, since it uses less digits than its factorization.

1284902948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112619 (or 112617 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 1284902948 is about 35845.5429307466. The cubic root of 1284902948 is about 1087.1515978761.

The spelling of 1284902948 in words is "one billion, two hundred eighty-four million, nine hundred two thousand, nine hundred forty-eight".