1401066451 has 8 divisors (see below), whose sum is σ = 1425501360. Its totient is φ = 1376654592.

The previous prime is 1401066449. The next prime is 1401066467. The reversal of 1401066451 is 1546601041.

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 1401066451 - 2¹ = 1401066449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401066431) 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, 155691 + ... + 164443.

It is an arithmetic number, because the mean of its divisors is an integer number (178187670).

Almost surely, 2^1401066451 is an apocalyptic number.

1401066451 is a deficient number, since it is larger than the sum of its proper divisors (24434909).

1401066451 is an equidigital number, since it uses as much as digits as its factorization.

1401066451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11525.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1401066451 is about 37430.8222057705. The cubic root of 1401066451 is about 1118.9729240193.

Adding to 1401066451 its reverse (1546601041), we get a palindrome (2947667492).

The spelling of 1401066451 in words is "one billion, four hundred one million, sixty-six thousand, four hundred fifty-one".