1020407 has 2 divisors, whose sum is σ = 1020408. Its totient is φ = 1020406.

The previous prime is 1020401. The next prime is 1020413. The reversal of 1020407 is 7040201.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1020401) and next prime (1020413).

It is a cyclic number.

It is not a de Polignac number, because 1020407 - 2¹⁶ = 954871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020391 and 1020400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510203 + 510204.

It is an arithmetic number, because the mean of its divisors is an integer number (510204).

2^1020407 is an apocalyptic number.

1020407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020407 is an equidigital number, since it uses as much as digits as its factorization.

1020407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 1020407 is about 1010.1519687651. The cubic root of 1020407 is about 100.6756579156.

Adding to 1020407 its reverse (7040201), we get a palindrome (8060608).

The spelling of 1020407 in words is "one million, twenty thousand, four hundred seven".