1172140057 has 16 divisors (see below), whose sum is σ = 1328054400. Its totient is φ = 1025101440.

The previous prime is 1172140051. The next prime is 1172140061. The reversal of 1172140057 is 7500412711.

It is not a de Polignac number, because 1172140057 - 2⁷ = 1172139929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1172140051) 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, 20044 + ... + 52402.

It is an arithmetic number, because the mean of its divisors is an integer number (83003400).

Almost surely, 2^1172140057 is an apocalyptic number.

It is an amenable number.

1172140057 is a deficient number, since it is larger than the sum of its proper divisors (155914343).

1172140057 is a wasteful number, since it uses less digits than its factorization.

1172140057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32496.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 1172140057 is about 34236.5310304651. The cubic root of 1172140057 is about 1054.3703128287.

Adding to 1172140057 its reverse (7500412711), we get a palindrome (8672552768).

The spelling of 1172140057 in words is "one billion, one hundred seventy-two million, one hundred forty thousand, fifty-seven".