1401012434 has 4 divisors (see below), whose sum is σ = 2101518654. Its totient is φ = 700506216.

The previous prime is 1401012427. The next prime is 1401012463. The reversal of 1401012434 is 4342101041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4342101041 = 2791 ⋅1555751.

It can be written as a sum of positive squares in only one way, i.e., 1393155625 + 7856809 = 37325^2 + 2803^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350253107 + ... + 350253110.

Almost surely, 2^1401012434 is an apocalyptic number.

1401012434 is a deficient number, since it is larger than the sum of its proper divisors (700506220).

1401012434 is an equidigital number, since it uses as much as digits as its factorization.

1401012434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700506219.

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

The square root of 1401012434 is about 37430.1006410616. The cubic root of 1401012434 is about 1118.9585434649.

Adding to 1401012434 its reverse (4342101041), we get a palindrome (5743113475).

The spelling of 1401012434 in words is "one billion, four hundred one million, twelve thousand, four hundred thirty-four".