1201654141 has 2 divisors, whose sum is σ = 1201654142. Its totient is φ = 1201654140.

The previous prime is 1201654133. The next prime is 1201654151. The reversal of 1201654141 is 1414561021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1102572025 + 99082116 = 33205^2 + 9954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201654141 - 2³ = 1201654133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201654151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600827070 + 600827071.

It is an arithmetic number, because the mean of its divisors is an integer number (600827071).

Almost surely, 2^1201654141 is an apocalyptic number.

It is an amenable number.

1201654141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201654141 is an equidigital number, since it uses as much as digits as its factorization.

1201654141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1201654141 is about 34664.8833980442. The cubic root of 1201654141 is about 1063.1466191970.

The spelling of 1201654141 in words is "one billion, two hundred one million, six hundred fifty-four thousand, one hundred forty-one".