1201014557 has 2 divisors, whose sum is σ = 1201014558. Its totient is φ = 1201014556.

The previous prime is 1201014541. The next prime is 1201014571. The reversal of 1201014557 is 7554101021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 662496121 + 538518436 = 25739^2 + 23206^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201014557 - 2⁴ = 1201014541 is a prime.

It is a super-2 number, since 2×1201014557² = 2884871932251812498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201014587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600507278 + 600507279.

It is an arithmetic number, because the mean of its divisors is an integer number (600507279).

Almost surely, 2^1201014557 is an apocalyptic number.

It is an amenable number.

1201014557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201014557 is an equidigital number, since it uses as much as digits as its factorization.

1201014557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1201014557 is about 34655.6569263951. The cubic root of 1201014557 is about 1062.9579647363.

Adding to 1201014557 its reverse (7554101021), we get a palindrome (8755115578).

The spelling of 1201014557 in words is "one billion, two hundred one million, fourteen thousand, five hundred fifty-seven".