1400127198 has 16 divisors (see below), whose sum is σ = 2808191376. Its totient is φ = 465386240.

The previous prime is 1400127187. The next prime is 1400127199. The reversal of 1400127198 is 8917210041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400127199) 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 7 ways as a sum of consecutive naturals, for example, 328413 + ... + 332648.

It is an arithmetic number, because the mean of its divisors is an integer number (175511961).

Almost surely, 2^1400127198 is an apocalyptic number.

1400127198 is an abundant number, since it is smaller than the sum of its proper divisors (1408064178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400127198 is a wasteful number, since it uses less digits than its factorization.

1400127198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661419.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 1400127198 is about 37418.2735839055. The cubic root of 1400127198 is about 1118.7228208164.

The spelling of 1400127198 in words is "one billion, four hundred million, one hundred twenty-seven thousand, one hundred ninety-eight".