1303712457 has 16 divisors (see below), whose sum is σ = 1770484800. Its totient is φ = 853175232.

The previous prime is 1303712447. The next prime is 1303712479. The reversal of 1303712457 is 7542173031.

It is not a de Polignac number, because 1303712457 - 2¹² = 1303708361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303712447) 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, 22419 + ... + 55767.

It is an arithmetic number, because the mean of its divisors is an integer number (110655300).

Almost surely, 2^1303712457 is an apocalyptic number.

It is an amenable number.

1303712457 is a deficient number, since it is larger than the sum of its proper divisors (466772343).

1303712457 is a wasteful number, since it uses less digits than its factorization.

1303712457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33592.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 1303712457 is about 36106.9585675670. The cubic root of 1303712457 is about 1092.4308057142.

Adding to 1303712457 its reverse (7542173031), we get a palindrome (8845885488).

The spelling of 1303712457 in words is "one billion, three hundred three million, seven hundred twelve thousand, four hundred fifty-seven".