1204148251 has 2 divisors, whose sum is σ = 1204148252. Its totient is φ = 1204148250.

The previous prime is 1204148219. The next prime is 1204148261. The reversal of 1204148251 is 1528414021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1204148251 - 2⁵ = 1204148219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1204148261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602074125 + 602074126.

It is an arithmetic number, because the mean of its divisors is an integer number (602074126).

Almost surely, 2^1204148251 is an apocalyptic number.

1204148251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204148251 is an equidigital number, since it uses as much as digits as its factorization.

1204148251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1204148251 is about 34700.8393414338. The cubic root of 1204148251 is about 1063.8816538218.

The spelling of 1204148251 in words is "one billion, two hundred four million, one hundred forty-eight thousand, two hundred fifty-one".