1257300268 has 24 divisors (see below), whose sum is σ = 2544901632. Its totient is φ = 532349904.

The previous prime is 1257300223. The next prime is 1257300269. The reversal of 1257300268 is 8620037521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1257300269) 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, 268180 + ... + 272827.

It is an arithmetic number, because the mean of its divisors is an integer number (106037568).

Almost surely, 2^1257300268 is an apocalyptic number.

It is an amenable number.

1257300268 is an abundant number, since it is smaller than the sum of its proper divisors (1287601364).

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

1257300268 is a wasteful number, since it uses less digits than its factorization.

1257300268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541101 (or 541099 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1257300268 is about 35458.4301400950. The cubic root of 1257300268 is about 1079.3103358669.

Adding to 1257300268 its reverse (8620037521), we get a palindrome (9877337789).

The spelling of 1257300268 in words is "one billion, two hundred fifty-seven million, three hundred thousand, two hundred sixty-eight".