1402151 has 4 divisors (see below), whose sum is σ = 1432032. Its totient is φ = 1372272.

The previous prime is 1402147. The next prime is 1402153. The reversal of 1402151 is 1512041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1402151 - 2² = 1402147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14870 + ... + 14963.

It is an arithmetic number, because the mean of its divisors is an integer number (358008).

2^1402151 is an apocalyptic number.

1402151 is a deficient number, since it is larger than the sum of its proper divisors (29881).

1402151 is an equidigital number, since it uses as much as digits as its factorization.

1402151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29880.

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

The square root of 1402151 is about 1184.1245711495. The cubic root of 1402151 is about 111.9261577461.

Adding to 1402151 its reverse (1512041), we get a palindrome (2914192).

The spelling of 1402151 in words is "one million, four hundred two thousand, one hundred fifty-one".