1243868094 has 48 divisors (see below), whose sum is σ = 3114689760. Its totient is φ = 351394560.

The previous prime is 1243868071. The next prime is 1243868123. The reversal of 1243868094 is 4908683421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44247 + ... + 66674.

It is an arithmetic number, because the mean of its divisors is an integer number (64889370).

Almost surely, 2^1243868094 is an apocalyptic number.

1243868094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1243868094 is an abundant number, since it is smaller than the sum of its proper divisors (1870821666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243868094 is a wasteful number, since it uses less digits than its factorization.

1243868094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111025 (or 111022 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1243868094 is about 35268.5142017636. The cubic root of 1243868094 is about 1075.4530180797.

The spelling of 1243868094 in words is "one billion, two hundred forty-three million, eight hundred sixty-eight thousand, ninety-four".