1490120697025 has 9 divisors (see below), whose sum is σ = 1847757232713. Its totient is φ = 1192091674800.

The previous prime is 1490120697001. The next prime is 1490120697029. The reversal of 1490120697025 is 5207960210941.

The square root of 1490120697025 is 1220705.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 41602537089 + 1448518159936 = 203967^2 + 1203544^2 .

It is not a de Polignac number, because 1490120697025 - 2¹¹ = 1490120694977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1490120697029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5981455 + ... + 6225595.

Almost surely, 2^{1490120697025} is an apocalyptic number.

1490120697025 is the 1220705-th square number.

1490120697025 is the 610353-rd centered octagonal number.

It is an amenable number.

1490120697025 is a deficient number, since it is larger than the sum of its proper divisors (357636535688).

1490120697025 is an frugal number, since it uses more digits than its factorization.

1490120697025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488292 (or 244146 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 1490120697025 in words is "one trillion, four hundred ninety billion, one hundred twenty million, six hundred ninety-seven thousand, twenty-five".