1242700127 has 2 divisors, whose sum is σ = 1242700128. Its totient is φ = 1242700126.

The previous prime is 1242700117. The next prime is 1242700159. The reversal of 1242700127 is 7210072421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1242700127 - 2¹⁰ = 1242699103 is a prime.

It is a super-2 number, since 2×1242700127² = 3088607211291632258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1242700096 and 1242700105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242700117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621350063 + 621350064.

It is an arithmetic number, because the mean of its divisors is an integer number (621350064).

Almost surely, 2^1242700127 is an apocalyptic number.

1242700127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242700127 is an equidigital number, since it uses as much as digits as its factorization.

1242700127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 1242700127 is about 35251.9521019759. The cubic root of 1242700127 is about 1075.1163031190.

Adding to 1242700127 its reverse (7210072421), we get a palindrome (8452772548).

The spelling of 1242700127 in words is "one billion, two hundred forty-two million, seven hundred thousand, one hundred twenty-seven".