1211952 has 40 divisors (see below), whose sum is σ = 3579136. Its totient is φ = 346176.

The previous prime is 1211933. The next prime is 1211983. The reversal of 1211952 is 2591121.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1468 + ... + 2139.

2^1211952 is an apocalyptic number.

1211952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1211952 is an abundant number, since it is smaller than the sum of its proper divisors (2367184).

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

1211952 is a wasteful number, since it uses less digits than its factorization.

1211952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625 (or 3619 counting only the distinct ones).

The product of its digits is 180, while the sum is 21.

The square root of 1211952 is about 1100.8869151734. The cubic root of 1211952 is about 106.6174946969.

The spelling of 1211952 in words is "one million, two hundred eleven thousand, nine hundred fifty-two".