1401019 has 4 divisors (see below), whose sum is σ = 1449360. Its totient is φ = 1352680.

The previous prime is 1401017. The next prime is 1401031. The reversal of 1401019 is 9101041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9101041 = 29 ⋅313829.

It is a cyclic number.

It is not a de Polignac number, because 1401019 - 2¹ = 1401017 is a prime.

It is a super-2 number, since 2×1401019² = 3925708476722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400993 and 1401011.

It is not an unprimeable number, because it can be changed into a prime (1401017) 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, 24127 + ... + 24184.

It is an arithmetic number, because the mean of its divisors is an integer number (362340).

2^1401019 is an apocalyptic number.

1401019 is a deficient number, since it is larger than the sum of its proper divisors (48341).

1401019 is an equidigital number, since it uses as much as digits as its factorization.

1401019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48340.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1401019 is about 1183.6464843863. The cubic root of 1401019 is about 111.8960291503.

The spelling of 1401019 in words is "one million, four hundred one thousand, nineteen".