1401142203 has 6 divisors (see below), whose sum is σ = 2023872084. Its totient is φ = 934094796.

The previous prime is 1401142199. The next prime is 1401142243. The reversal of 1401142203 is 3022411041.

It is not a de Polignac number, because 1401142203 - 2² = 1401142199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401142243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77841225 + ... + 77841242.

It is an arithmetic number, because the mean of its divisors is an integer number (337312014).

Almost surely, 2^1401142203 is an apocalyptic number.

1401142203 is a deficient number, since it is larger than the sum of its proper divisors (622729881).

1401142203 is a wasteful number, since it uses less digits than its factorization.

1401142203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155682473 (or 155682470 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1401142203 is about 37431.8340854412. The cubic root of 1401142203 is about 1118.9930903027.

Adding to 1401142203 its reverse (3022411041), we get a palindrome (4423553244).

The spelling of 1401142203 in words is "one billion, four hundred one million, one hundred forty-two thousand, two hundred three".