1246103989 has 8 divisors (see below), whose sum is σ = 1361988320. Its totient is φ = 1133081136.

The previous prime is 1246103861. The next prime is 1246104011. The reversal of 1246103989 is 9893016421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1246103989 - 2⁷ = 1246103861 is a prime.

It is a super-4 number, since 4×1246103989⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246103389) 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 7 ways as a sum of consecutive naturals, for example, 714459 + ... + 716200.

It is an arithmetic number, because the mean of its divisors is an integer number (170248540).

Almost surely, 2^1246103989 is an apocalyptic number.

It is an amenable number.

1246103989 is a deficient number, since it is larger than the sum of its proper divisors (115884331).

1246103989 is a wasteful number, since it uses less digits than its factorization.

1246103989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430739.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 1246103989 is about 35300.1981439198. The cubic root of 1246103989 is about 1076.0970200955.

The spelling of 1246103989 in words is "one billion, two hundred forty-six million, one hundred three thousand, nine hundred eighty-nine".