1431260457 has 16 divisors (see below), whose sum is σ = 2094613248. Its totient is φ = 862105680.

The previous prime is 1431260449. The next prime is 1431260471. The reversal of 1431260457 is 7540621341.

It is not a de Polignac number, because 1431260457 - 2³ = 1431260449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1431260407) 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, 127663 + ... + 138420.

It is an arithmetic number, because the mean of its divisors is an integer number (130913328).

Almost surely, 2^1431260457 is an apocalyptic number.

It is an amenable number.

1431260457 is a deficient number, since it is larger than the sum of its proper divisors (663352791).

1431260457 is a wasteful number, since it uses less digits than its factorization.

1431260457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266260.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1431260457 is about 37832.0030794036. The cubic root of 1431260457 is about 1126.9540904570.

Adding to 1431260457 its reverse (7540621341), we get a palindrome (8971881798).

The spelling of 1431260457 in words is "one billion, four hundred thirty-one million, two hundred sixty thousand, four hundred fifty-seven".