1210196158 has 16 divisors (see below), whose sum is σ = 1879692480. Its totient is φ = 583672096.

The previous prime is 1210196147. The next prime is 1210196161. The reversal of 1210196158 is 8516910121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54516 + ... + 73432.

It is an arithmetic number, because the mean of its divisors is an integer number (117480780).

Almost surely, 2^1210196158 is an apocalyptic number.

1210196158 is a deficient number, since it is larger than the sum of its proper divisors (669496322).

1210196158 is a wasteful number, since it uses less digits than its factorization.

1210196158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20051.

The product of its (nonzero) digits is 4320, while the sum is 34.

The square root of 1210196158 is about 34787.8737205941. The cubic root of 1210196158 is about 1065.6598166865.

The spelling of 1210196158 in words is "one billion, two hundred ten million, one hundred ninety-six thousand, one hundred fifty-eight".