1401251 has 8 divisors (see below), whose sum is σ = 1462800. Its totient is φ = 1340640.

The previous prime is 1401247. The next prime is 1401263. The reversal of 1401251 is 1521041.

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 1401251 - 2² = 1401247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401151) 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, 6005 + ... + 6233.

It is an arithmetic number, because the mean of its divisors is an integer number (182850).

2^1401251 is an apocalyptic number.

1401251 is a deficient number, since it is larger than the sum of its proper divisors (61549).

1401251 is a wasteful number, since it uses less digits than its factorization.

1401251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1401251 is about 1183.7444825637. The cubic root of 1401251 is about 111.9022052374.

Adding to 1401251 its reverse (1521041), we get a palindrome (2922292).

The spelling of 1401251 in words is "one million, four hundred one thousand, two hundred fifty-one".