1202401403 has 4 divisors (see below), whose sum is σ = 1374173040. Its totient is φ = 1030629768.

The previous prime is 1202401379. The next prime is 1202401411. The reversal of 1202401403 is 3041042021.

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

It is not a de Polignac number, because 1202401403 - 2¹² = 1202397307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202401463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85885808 + ... + 85885821.

It is an arithmetic number, because the mean of its divisors is an integer number (343543260).

Almost surely, 2^1202401403 is an apocalyptic number.

1202401403 is a deficient number, since it is larger than the sum of its proper divisors (171771637).

1202401403 is an equidigital number, since it uses as much as digits as its factorization.

1202401403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171771636.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1202401403 is about 34675.6600946543. The cubic root of 1202401403 is about 1063.3669500503.

Adding to 1202401403 its reverse (3041042021), we get a palindrome (4243443424).

The spelling of 1202401403 in words is "one billion, two hundred two million, four hundred one thousand, four hundred three".