1401018 has 16 divisors (see below), whose sum is σ = 2816640. Its totient is φ = 464576.

The previous prime is 1401017. The next prime is 1401031. The reversal of 1401018 is 8101041.

It is a super-3 number, since 3×1401018³ = 8249970580847333496, which contains 333 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1400988 and 1401006.

It is not an unprimeable number, because it can be changed into a prime (1401017) 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, 946 + ... + 1922.

It is an arithmetic number, because the mean of its divisors is an integer number (176040).

2^1401018 is an apocalyptic number.

1401018 is an abundant number, since it is smaller than the sum of its proper divisors (1415622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401018 is a wasteful number, since it uses less digits than its factorization.

1401018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1401018 is about 1183.6460619628. The cubic root of 1401018 is about 111.8960025278.

Adding to 1401018 its reverse (8101041), we get a palindrome (9502059).

It can be divided in two parts, 14010 and 18, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 1401018 in words is "one million, four hundred one thousand, eighteen".