1172294099 has 6 divisors (see below), whose sum is σ = 1201585740. Its totient is φ = 1143699920.

The previous prime is 1172294093. The next prime is 1172294111. The reversal of 1172294099 is 9904922711.

It is not a de Polignac number, because 1172294099 - 2¹² = 1172290003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1172294093) 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 5 ways as a sum of consecutive naturals, for example, 347009 + ... + 350370.

It is an arithmetic number, because the mean of its divisors is an integer number (200264290).

Almost surely, 2^1172294099 is an apocalyptic number.

1172294099 is a deficient number, since it is larger than the sum of its proper divisors (29291641).

1172294099 is an frugal number, since it uses more digits than its factorization.

1172294099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697461 (or 697420 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 1172294099 is about 34238.7806295727. The cubic root of 1172294099 is about 1054.4164990605.

The spelling of 1172294099 in words is "one billion, one hundred seventy-two million, two hundred ninety-four thousand, ninety-nine".