1401031742129 has 2 divisors, whose sum is σ = 1401031742130. Its totient is φ = 1401031742128.

The previous prime is 1401031742111. The next prime is 1401031742153. The reversal of 1401031742129 is 9212471301041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1400766931600 + 264810529 = 1183540^2 + 16273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401031742129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401031942129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700515871064 + 700515871065.

It is an arithmetic number, because the mean of its divisors is an integer number (700515871065).

Almost surely, 2^{1401031742129} is an apocalyptic number.

It is an amenable number.

1401031742129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401031742129 is an equidigital number, since it uses as much as digits as its factorization.

1401031742129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 1401031742129 in words is "one trillion, four hundred one billion, thirty-one million, seven hundred forty-two thousand, one hundred twenty-nine".