1256948298 has 48 divisors (see below), whose sum is σ = 2845155456. Its totient is φ = 400292640.

The previous prime is 1256948293. The next prime is 1256948323. The reversal of 1256948298 is 8928496521.

It is a happy number.

1256948298 is a `hidden beast` number, since 12 + 5 + 69 + 482 + 98 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1256948291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 564828 + ... + 567048.

It is an arithmetic number, because the mean of its divisors is an integer number (59274072).

Almost surely, 2^1256948298 is an apocalyptic number.

1256948298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1256948298 is an abundant number, since it is smaller than the sum of its proper divisors (1588207158).

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

1256948298 is a wasteful number, since it uses less digits than its factorization.

1256948298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619 (or 3616 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 1256948298 is about 35453.4666570140. The cubic root of 1256948298 is about 1079.2096120322.

The spelling of 1256948298 in words is "one billion, two hundred fifty-six million, nine hundred forty-eight thousand, two hundred ninety-eight".