1148951213 has 4 divisors (see below), whose sum is σ = 1151693760. Its totient is φ = 1146208668.

The previous prime is 1148951201. The next prime is 1148951249. The reversal of 1148951213 is 3121598411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1148951213 - 2¹⁶ = 1148885677 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 (1148951263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370645 + ... + 1371482.

It is an arithmetic number, because the mean of its divisors is an integer number (287923440).

Almost surely, 2^1148951213 is an apocalyptic number.

It is an amenable number.

1148951213 is a deficient number, since it is larger than the sum of its proper divisors (2742547).

1148951213 is an equidigital number, since it uses as much as digits as its factorization.

1148951213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742546.

The product of its digits is 8640, while the sum is 35.

The square root of 1148951213 is about 33896.1828676918. The cubic root of 1148951213 is about 1047.3709626253.

The spelling of 1148951213 in words is "one billion, one hundred forty-eight million, nine hundred fifty-one thousand, two hundred thirteen".