1211141604 has 48 divisors (see below), whose sum is σ = 2926117376. Its totient is φ = 389491200.

The previous prime is 1211141597. The next prime is 1211141627. The reversal of 1211141604 is 4061411121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120534 + ... + 130194.

Almost surely, 2^1211141604 is an apocalyptic number.

It is an amenable number.

1211141604 is an abundant number, since it is smaller than the sum of its proper divisors (1714975772).

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

1211141604 is a wasteful number, since it uses less digits than its factorization.

1211141604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10036 (or 10034 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1211141604 is about 34801.4597969683. The cubic root of 1211141604 is about 1065.9372542318.

Adding to 1211141604 its reverse (4061411121), we get a palindrome (5272552725).

The spelling of 1211141604 in words is "one billion, two hundred eleven million, one hundred forty-one thousand, six hundred four".