1400120203 has 8 divisors (see below), whose sum is σ = 1524632400. Its totient is φ = 1280690208.

The previous prime is 1400120179. The next prime is 1400120233. The reversal of 1400120203 is 3020210041.

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

It is a cyclic number.

It is not a de Polignac number, because 1400120203 - 2²⁹ = 863249291 is a prime.

It is a super-2 number, since 2×1400120203² = 3920673165697522418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400120233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269976 + ... + 1271077.

It is an arithmetic number, because the mean of its divisors is an integer number (190579050).

Almost surely, 2^1400120203 is an apocalyptic number.

1400120203 is a deficient number, since it is larger than the sum of its proper divisors (124512197).

1400120203 is a wasteful number, since it uses less digits than its factorization.

1400120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541101.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1400120203 is about 37418.1801134155. The cubic root of 1400120203 is about 1118.7209577763.

Adding to 1400120203 its reverse (3020210041), we get a palindrome (4420330244).

The spelling of 1400120203 in words is "one billion, four hundred million, one hundred twenty thousand, two hundred three".