1201403834 has 4 divisors (see below), whose sum is σ = 1802105754. Its totient is φ = 600701916.

The previous prime is 1201403831. The next prime is 1201403857. The reversal of 1201403834 is 4383041021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 726033025 + 475370809 = 26945^2 + 21803^2 .

It is not an unprimeable number, because it can be changed into a prime (1201403831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300350957 + ... + 300350960.

Almost surely, 2^1201403834 is an apocalyptic number.

1201403834 is a deficient number, since it is larger than the sum of its proper divisors (600701920).

1201403834 is an equidigital number, since it uses as much as digits as its factorization.

1201403834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600701919.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1201403834 is about 34661.2728271770. The cubic root of 1201403834 is about 1063.0727955370.

Adding to 1201403834 its reverse (4383041021), we get a palindrome (5584444855).

The spelling of 1201403834 in words is "one billion, two hundred one million, four hundred three thousand, eight hundred thirty-four".