1229390038 has 8 divisors (see below), whose sum is σ = 1886970888. Its totient is φ = 600399744.

The previous prime is 1229390017. The next prime is 1229390053. The reversal of 1229390038 is 8300939221.

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

It is a super-2 number, since 2×1229390038² = 3022799731067282888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1229389979 and 1229390006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7147531 + ... + 7147702.

It is an arithmetic number, because the mean of its divisors is an integer number (235871361).

Almost surely, 2^1229390038 is an apocalyptic number.

1229390038 is a deficient number, since it is larger than the sum of its proper divisors (657580850).

1229390038 is a wasteful number, since it uses less digits than its factorization.

1229390038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14295278.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1229390038 is about 35062.6587411736. The cubic root of 1229390038 is about 1071.2641297124.

The spelling of 1229390038 in words is "one billion, two hundred twenty-nine million, three hundred ninety thousand, thirty-eight".