1055742137 has 2 divisors, whose sum is σ = 1055742138. Its totient is φ = 1055742136.

The previous prime is 1055742091. The next prime is 1055742167. The reversal of 1055742137 is 7312475501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 943042681 + 112699456 = 30709^2 + 10616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055742137 - 2⁶ = 1055742073 is a prime.

It is a super-2 number, since 2×1055742137² = 2229182919674653538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055742097 and 1055742106.

It is not a weakly prime, because it can be changed into another prime (1055742167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527871068 + 527871069.

It is an arithmetic number, because the mean of its divisors is an integer number (527871069).

Almost surely, 2^1055742137 is an apocalyptic number.

It is an amenable number.

1055742137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055742137 is an equidigital number, since it uses as much as digits as its factorization.

1055742137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 1055742137 is about 32492.1857836619. The cubic root of 1055742137 is about 1018.2457791518.

The spelling of 1055742137 in words is "one billion, fifty-five million, seven hundred forty-two thousand, one hundred thirty-seven".