1400151 has 4 divisors (see below), whose sum is σ = 1866872. Its totient is φ = 933432.

The previous prime is 1400143. The next prime is 1400159. The reversal of 1400151 is 1510041.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1400143) and next prime (1400159).

It is not a de Polignac number, because 1400151 - 2³ = 1400143 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233356 + ... + 233361.

It is an arithmetic number, because the mean of its divisors is an integer number (466718).

2^1400151 is an apocalyptic number.

1400151 is a deficient number, since it is larger than the sum of its proper divisors (466721).

1400151 is an equidigital number, since it uses as much as digits as its factorization.

1400151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466720.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1400151 is about 1183.2797640457. The cubic root of 1400151 is about 111.8729160167.

Adding to 1400151 its reverse (1510041), we get a palindrome (2910192).

It can be divided in two parts, 1400 and 151, that added together give a palindrome (1551).

The spelling of 1400151 in words is "one million, four hundred thousand, one hundred fifty-one".