1261004 has 6 divisors (see below), whose sum is σ = 2206764. Its totient is φ = 630500.

The previous prime is 1260991. The next prime is 1261033. The reversal of 1261004 is 4001621.

It is a self number, because there is not a number n which added to its sum of digits gives 1261004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157622 + ... + 157629.

It is an arithmetic number, because the mean of its divisors is an integer number (367794).

2^1261004 is an apocalyptic number.

It is an amenable number.

1261004 is a deficient number, since it is larger than the sum of its proper divisors (945760).

1261004 is a wasteful number, since it uses less digits than its factorization.

1261004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315255 (or 315253 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1261004 is about 1122.9443441240. The cubic root of 1261004 is about 108.0369101093.

Adding to 1261004 its reverse (4001621), we get a palindrome (5262625).

It can be divided in two parts, 12 and 61004, that added together give a palindrome (61016).

The spelling of 1261004 in words is "one million, two hundred sixty-one thousand, four".