1243201034 has 8 divisors (see below), whose sum is σ = 1875104868. Its totient is φ = 618166080.

The previous prime is 1243200979. The next prime is 1243201049. The reversal of 1243201034 is 4301023421.

It can be written as a sum of positive squares in 2 ways, for example, as 1190595025 + 52606009 = 34505^2 + 7253^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1243200997 and 1243201015.

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, 1716767 + ... + 1717490.

Almost surely, 2^1243201034 is an apocalyptic number.

1243201034 is a deficient number, since it is larger than the sum of its proper divisors (631903834).

1243201034 is a wasteful number, since it uses less digits than its factorization.

1243201034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434440.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1243201034 is about 35259.0560565651. The cubic root of 1243201034 is about 1075.2607361777.

Adding to 1243201034 its reverse (4301023421), we get a palindrome (5544224455).

The spelling of 1243201034 in words is "one billion, two hundred forty-three million, two hundred one thousand, thirty-four".