1401031 has 2 divisors, whose sum is σ = 1401032. Its totient is φ = 1401030.
The previous prime is 1401017. The next prime is 1401053. The reversal of 1401031 is 1301041.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1401031 is a prime.
It is a super-2 number, since 2×14010312 = 3925775725922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1400999 and 1401017.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1401131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700515 + 700516.
It is an arithmetic number, because the mean of its divisors is an integer number (700516).
21401031 is an apocalyptic number.
1401031 is a deficient number, since it is larger than the sum of its proper divisors (1).
1401031 is an equidigital number, since it uses as much as digits as its factorization.
1401031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 1401031 is about 1183.6515534565. The cubic root of 1401031 is about 111.8963486198.
Adding to 1401031 its sum of digits (10), we get a palindrome (1401041).
Adding to 1401031 its reverse (1301041), we get a palindrome (2702072).
It can be divided in two parts, 14010 and 31, that added together give a palindrome (14041).
The spelling of 1401031 in words is "one million, four hundred one thousand, thirty-one".
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