1401401234 has 4 divisors (see below), whose sum is σ = 2102101854. Its totient is φ = 700700616.

The previous prime is 1401401231. The next prime is 1401401269. The reversal of 1401401234 is 4321041041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4321041041 = 37 ⋅116784893.

It can be written as a sum of positive squares in only one way, i.e., 958088209 + 443313025 = 30953^2 + 21055^2 .

It is not an unprimeable number, because it can be changed into a prime (1401401231) 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 as a sum of consecutive naturals, namely, 350350307 + ... + 350350310.

Almost surely, 2^1401401234 is an apocalyptic number.

1401401234 is a deficient number, since it is larger than the sum of its proper divisors (700700620).

1401401234 is an equidigital number, since it uses as much as digits as its factorization.

1401401234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700700619.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1401401234 is about 37435.2939617148. The cubic root of 1401401234 is about 1119.0620426281.

Adding to 1401401234 its reverse (4321041041), we get a palindrome (5722442275).

The spelling of 1401401234 in words is "one billion, four hundred one million, four hundred one thousand, two hundred thirty-four".