1201421402 has 8 divisors (see below), whose sum is σ = 1802280756. Its totient is φ = 600661152.

The previous prime is 1201421393. The next prime is 1201421423. The reversal of 1201421402 is 2041241021.

It can be written as a sum of positive squares in 2 ways, for example, as 1201384921 + 36481 = 34661^2 + 191^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28118 + ... + 56510.

Almost surely, 2^1201421402 is an apocalyptic number.

1201421402 is a deficient number, since it is larger than the sum of its proper divisors (600859354).

1201421402 is a wasteful number, since it uses less digits than its factorization.

1201421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49552.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1201421402 is about 34661.5262502966. The cubic root of 1201421402 is about 1063.0779772451.

Adding to 1201421402 its reverse (2041241021), we get a palindrome (3242662423).

The spelling of 1201421402 in words is "one billion, two hundred one million, four hundred twenty-one thousand, four hundred two".