1229091004 has 12 divisors (see below), whose sum is σ = 2151226728. Its totient is φ = 614454800.

The previous prime is 1229090987. The next prime is 1229091023. The reversal of 1229091004 is 4001909221.

It is a happy number.

It is a super-2 number, since 2×1229091004² = 3021329392227456032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 14634 + ... + 51694.

It is an arithmetic number, because the mean of its divisors is an integer number (179268894).

Almost surely, 2^1229091004 is an apocalyptic number.

It is an amenable number.

1229091004 is a deficient number, since it is larger than the sum of its proper divisors (922135724).

1229091004 is a wasteful number, since it uses less digits than its factorization.

1229091004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45356 (or 45354 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1229091004 is about 35058.3942016744. The cubic root of 1229091004 is about 1071.1772653963.

The spelling of 1229091004 in words is "one billion, two hundred twenty-nine million, ninety-one thousand, four".