1402152049 has 2 divisors, whose sum is σ = 1402152050. Its totient is φ = 1402152048.

The previous prime is 1402152029. The next prime is 1402152067. The reversal of 1402152049 is 9402512041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 837234225 + 564917824 = 28935^2 + 23768^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402152049 - 2¹⁹ = 1401627761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402152019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701076024 + 701076025.

It is an arithmetic number, because the mean of its divisors is an integer number (701076025).

Almost surely, 2^1402152049 is an apocalyptic number.

It is an amenable number.

1402152049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402152049 is an equidigital number, since it uses as much as digits as its factorization.

1402152049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1402152049 is about 37445.3207891186. The cubic root of 1402152049 is about 1119.2618565814.

The spelling of 1402152049 in words is "one billion, four hundred two million, one hundred fifty-two thousand, forty-nine".