1026040654 has 4 divisors (see below), whose sum is σ = 1539060984. Its totient is φ = 513020326.

The previous prime is 1026040529. The next prime is 1026040657. The reversal of 1026040654 is 4560406201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026040657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256510162 + ... + 256510165.

It is an arithmetic number, because the mean of its divisors is an integer number (384765246).

Almost surely, 2^1026040654 is an apocalyptic number.

1026040654 is a deficient number, since it is larger than the sum of its proper divisors (513020330).

1026040654 is an equidigital number, since it uses as much as digits as its factorization.

1026040654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513020329.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1026040654 is about 32031.8693491342. The cubic root of 1026040654 is about 1008.6059432817.

Adding to 1026040654 its reverse (4560406201), we get a palindrome (5586446855).

The spelling of 1026040654 in words is "one billion, twenty-six million, forty thousand, six hundred fifty-four".