1261007 has 16 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 1071840.

The previous prime is 1260991. The next prime is 1261033. The reversal of 1261007 is 7001621.

It is a happy number.

It is not a de Polignac number, because 1261007 - 2⁴ = 1260991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18788 + ... + 18854.

It is an arithmetic number, because the mean of its divisors is an integer number (91800).

2^1261007 is an apocalyptic number.

1261007 is a deficient number, since it is larger than the sum of its proper divisors (207793).

1261007 is a wasteful number, since it uses less digits than its factorization.

With its successor (1261008) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (166).

1261007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1261007 is about 1122.9456798973. The cubic root of 1261007 is about 108.0369957846.

Adding to 1261007 its reverse (7001621), we get a palindrome (8262628).

The spelling of 1261007 in words is "one million, two hundred sixty-one thousand, seven".