1229158094 has 4 divisors (see below), whose sum is σ = 1843737144. Its totient is φ = 614579046.

The previous prime is 1229158087. The next prime is 1229158097. The reversal of 1229158094 is 4908519221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4908519221 = 41 ⋅119719981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229158097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307289522 + ... + 307289525.

It is an arithmetic number, because the mean of its divisors is an integer number (460934286).

Almost surely, 2^1229158094 is an apocalyptic number.

1229158094 is a deficient number, since it is larger than the sum of its proper divisors (614579050).

1229158094 is an equidigital number, since it uses as much as digits as its factorization.

1229158094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614579049.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 1229158094 is about 35059.3510208047. The cubic root of 1229158094 is about 1071.1967551316.

The spelling of 1229158094 in words is "one billion, two hundred twenty-nine million, one hundred fifty-eight thousand, ninety-four".