1148124521 has 2 divisors, whose sum is σ = 1148124522. Its totient is φ = 1148124520.

The previous prime is 1148124473. The next prime is 1148124539. The reversal of 1148124521 is 1254218411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664608400 + 483516121 = 25780^2 + 21989^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148124521 - 2³⁰ = 74382697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1148124221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574062260 + 574062261.

It is an arithmetic number, because the mean of its divisors is an integer number (574062261).

Almost surely, 2^1148124521 is an apocalyptic number.

It is an amenable number.

1148124521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148124521 is an equidigital number, since it uses as much as digits as its factorization.

1148124521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2560, while the sum is 29.

The square root of 1148124521 is about 33883.9862029248. The cubic root of 1148124521 is about 1047.1197013200.

The spelling of 1148124521 in words is "one billion, one hundred forty-eight million, one hundred twenty-four thousand, five hundred twenty-one".