1142552401 has 2 divisors, whose sum is σ = 1142552402. Its totient is φ = 1142552400.

The previous prime is 1142552357. The next prime is 1142552417. The reversal of 1142552401 is 1042552411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 748569600 + 393982801 = 27360^2 + 19849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142552401 - 2¹³ = 1142544209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142552471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571276200 + 571276201.

It is an arithmetic number, because the mean of its divisors is an integer number (571276201).

Almost surely, 2^1142552401 is an apocalyptic number.

It is an amenable number.

1142552401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142552401 is an equidigital number, since it uses as much as digits as its factorization.

1142552401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1142552401 is about 33801.6626957906. The cubic root of 1142552401 is about 1045.4229802536.

The spelling of 1142552401 in words is "one billion, one hundred forty-two million, five hundred fifty-two thousand, four hundred one".