1257350223 has 16 divisors (see below), whose sum is σ = 1750185216. Its totient is φ = 801408960.

The previous prime is 1257350221. The next prime is 1257350231. The reversal of 1257350223 is 3220537521.

It is a happy number.

1257350223 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1257350223 - 2¹ = 1257350221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1257350221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252211 + ... + 257147.

It is an arithmetic number, because the mean of its divisors is an integer number (109386576).

Almost surely, 2^1257350223 is an apocalyptic number.

1257350223 is a deficient number, since it is larger than the sum of its proper divisors (492834993).

1257350223 is a wasteful number, since it uses less digits than its factorization.

1257350223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 1257350223 is about 35459.1345495064. The cubic root of 1257350223 is about 1079.3246300481.

Adding to 1257350223 its reverse (3220537521), we get a palindrome (4477887744).

The spelling of 1257350223 in words is "one billion, two hundred fifty-seven million, three hundred fifty thousand, two hundred twenty-three".