1357201061 has 2 divisors, whose sum is σ = 1357201062. Its totient is φ = 1357201060.

The previous prime is 1357201037. The next prime is 1357201063. The reversal of 1357201061 is 1601027531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1158108961 + 199092100 = 34031^2 + 14110^2 .

It is an emirp because it is prime and its reverse (1601027531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1357201061 - 2²² = 1353006757 is a prime.

Together with 1357201063, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1357201061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1357201063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678600530 + 678600531.

It is an arithmetic number, because the mean of its divisors is an integer number (678600531).

Almost surely, 2^1357201061 is an apocalyptic number.

It is an amenable number.

1357201061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357201061 is an equidigital number, since it uses as much as digits as its factorization.

1357201061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1357201061 is about 36840.2098392504. The cubic root of 1357201061 is about 1107.1710722093.

Adding to 1357201061 its reverse (1601027531), we get a palindrome (2958228592).

The spelling of 1357201061 in words is "one billion, three hundred fifty-seven million, two hundred one thousand, sixty-one".