1078403 has 2 divisors, whose sum is σ = 1078404. Its totient is φ = 1078402.

The previous prime is 1078393. The next prime is 1078409. The reversal of 1078403 is 3048701.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1078403 - 2⁴ = 1078387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1078409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539201 + 539202.

It is an arithmetic number, because the mean of its divisors is an integer number (539202).

2^1078403 is an apocalyptic number.

1078403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078403 is an equidigital number, since it uses as much as digits as its factorization.

1078403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1078403 is about 1038.4618433048. The cubic root of 1078403 is about 102.5479608983.

It can be divided in two parts, 1078 and 403, that multiplied together give a palindrome (434434).

The spelling of 1078403 in words is "one million, seventy-eight thousand, four hundred three".