1173214457 has 4 divisors (see below), whose sum is σ = 1176963060. Its totient is φ = 1169465856.

The previous prime is 1173214417. The next prime is 1173214501. The reversal of 1173214457 is 7544123711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7544123711 = 17 ⋅443771983.

It can be written as a sum of positive squares in 2 ways, for example, as 76545001 + 1096669456 = 8749^2 + 33116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1173214457 is a prime.

It is a super-2 number, since 2×1173214457² = 2752864324227609698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1173214417) 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 3 ways as a sum of consecutive naturals, for example, 1873832 + ... + 1874457.

It is an arithmetic number, because the mean of its divisors is an integer number (294240765).

Almost surely, 2^1173214457 is an apocalyptic number.

It is an amenable number.

1173214457 is a deficient number, since it is larger than the sum of its proper divisors (3748603).

1173214457 is an equidigital number, since it uses as much as digits as its factorization.

1173214457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748602.

The product of its digits is 23520, while the sum is 35.

The square root of 1173214457 is about 34252.2182785291. The cubic root of 1173214457 is about 1054.6923646504.

The spelling of 1173214457 in words is "one billion, one hundred seventy-three million, two hundred fourteen thousand, four hundred fifty-seven".