1209385004 has 12 divisors (see below), whose sum is σ = 2117097528. Its totient is φ = 604500000.

The previous prime is 1209385003. The next prime is 1209385007. The reversal of 1209385004 is 4005839021.

It is a super-2 number, since 2×1209385004² = 2925224175800160032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1209385003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33497 + ... + 59504.

It is an arithmetic number, because the mean of its divisors is an integer number (176424794).

Almost surely, 2^1209385004 is an apocalyptic number.

It is an amenable number.

1209385004 is a deficient number, since it is larger than the sum of its proper divisors (907712524).

1209385004 is a wasteful number, since it uses less digits than its factorization.

1209385004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96256 (or 96254 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1209385004 is about 34776.2131923532. The cubic root of 1209385004 is about 1065.4216714298.

The spelling of 1209385004 in words is "one billion, two hundred nine million, three hundred eighty-five thousand, four".