1172307969 has 24 divisors (see below), whose sum is σ = 1941493632. Its totient is φ = 667725120.

The previous prime is 1172307893. The next prime is 1172307989. The reversal of 1172307969 is 9697032711.

It is not a de Polignac number, because 1172307969 - 2⁹ = 1172307457 is a prime.

It is a super-3 number, since 3×1172307969³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1172307989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10324 + ... + 49509.

It is an arithmetic number, because the mean of its divisors is an integer number (80895568).

It is a Proth number, since it is equal to 559 ⋅ 2²¹ + 1 and 559 < 2²¹.

Almost surely, 2^1172307969 is an apocalyptic number.

It is an amenable number.

1172307969 is a deficient number, since it is larger than the sum of its proper divisors (769185663).

1172307969 is a wasteful number, since it uses less digits than its factorization.

1172307969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60157 (or 60154 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 1172307969 is about 34238.9831770746. The cubic root of 1172307969 is about 1054.4206574878.

The spelling of 1172307969 in words is "one billion, one hundred seventy-two million, three hundred seven thousand, nine hundred sixty-nine".