1457211117 has 24 divisors (see below), whose sum is σ = 2073492736. Its totient is φ = 910107648.

The previous prime is 1457211103. The next prime is 1457211121. The reversal of 1457211117 is 7111127541.

It is not a de Polignac number, because 1457211117 - 2¹⁴ = 1457194733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457211317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189573 + ... + 197109.

Almost surely, 2^1457211117 is an apocalyptic number.

1457211117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1457211117 is a deficient number, since it is larger than the sum of its proper divisors (616281619).

1457211117 is a wasteful number, since it uses less digits than its factorization.

1457211117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797 (or 7780 counting only the distinct ones).

The product of its digits is 1960, while the sum is 30.

The square root of 1457211117 is about 38173.4347026830. The cubic root of 1457211117 is about 1133.7243956021.

Adding to 1457211117 its reverse (7111127541), we get a palindrome (8568338658).

The spelling of 1457211117 in words is "one billion, four hundred fifty-seven million, two hundred eleven thousand, one hundred seventeen".