1401124997 has 2 divisors, whose sum is σ = 1401124998. Its totient is φ = 1401124996.

The previous prime is 1401124993. The next prime is 1401125051. The reversal of 1401124997 is 7994211041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1372406116 + 28718881 = 37046^2 + 5359^2 .

It is an emirp because it is prime and its reverse (7994211041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401124997 - 2² = 1401124993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1401124997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401124993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700562498 + 700562499.

It is an arithmetic number, because the mean of its divisors is an integer number (700562499).

Almost surely, 2^1401124997 is an apocalyptic number.

It is an amenable number.

1401124997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401124997 is an equidigital number, since it uses as much as digits as its factorization.

1401124997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1401124997 is about 37431.6042536250. The cubic root of 1401124997 is about 1118.9885098793.

The spelling of 1401124997 in words is "one billion, four hundred one million, one hundred twenty-four thousand, nine hundred ninety-seven".