1261148 has 24 divisors (see below), whose sum is σ = 2560992. Its totient is φ = 532224.

The previous prime is 1261133. The next prime is 1261157. The reversal of 1261148 is 8411621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736 + ... + 2352.

It is an arithmetic number, because the mean of its divisors is an integer number (106708).

2^1261148 is an apocalyptic number.

It is an amenable number.

1261148 is an abundant number, since it is smaller than the sum of its proper divisors (1299844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1261148 is a wasteful number, since it uses less digits than its factorization.

1261148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 699 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 1261148 is about 1123.0084594517. The cubic root of 1261148 is about 108.0410223678.

Adding to 1261148 its reverse (8411621), we get a palindrome (9672769).

The spelling of 1261148 in words is "one million, two hundred sixty-one thousand, one hundred forty-eight".