1214042158 has 8 divisors (see below), whose sum is σ = 2081215152. Its totient is φ = 520303776.

The previous prime is 1214042153. The next prime is 1214042161. The reversal of 1214042158 is 8512404121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1214042158² = 2947796722802593928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214042153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43358635 + ... + 43358662.

It is an arithmetic number, because the mean of its divisors is an integer number (260151894).

Almost surely, 2^1214042158 is an apocalyptic number.

1214042158 is a deficient number, since it is larger than the sum of its proper divisors (867172994).

1214042158 is an equidigital number, since it uses as much as digits as its factorization.

1214042158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86717306.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1214042158 is about 34843.1077546191. The cubic root of 1214042158 is about 1066.7875108965.

Adding to 1214042158 its reverse (8512404121), we get a palindrome (9726446279).

The spelling of 1214042158 in words is "one billion, two hundred fourteen million, forty-two thousand, one hundred fifty-eight".