1240124801 has 2 divisors, whose sum is σ = 1240124802. Its totient is φ = 1240124800.

The previous prime is 1240124771. The next prime is 1240124849. The reversal of 1240124801 is 1084210421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 706283776 + 533841025 = 26576^2 + 23105^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240124801 - 2¹⁴ = 1240108417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240124861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620062400 + 620062401.

It is an arithmetic number, because the mean of its divisors is an integer number (620062401).

Almost surely, 2^1240124801 is an apocalyptic number.

It is an amenable number.

1240124801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240124801 is an equidigital number, since it uses as much as digits as its factorization.

1240124801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1240124801 is about 35215.4057338546. The cubic root of 1240124801 is about 1074.3731123446.

It can be divided in two parts, 12401 and 24801, that multiplied together give a triangular number (307557201 = T₂₄₈₀₁).

The spelling of 1240124801 in words is "one billion, two hundred forty million, one hundred twenty-four thousand, eight hundred one".