1249930 has 24 divisors (see below), whose sum is σ = 2475396. Its totient is φ = 454080.

The previous prime is 1249921. The next prime is 1249939. The reversal of 1249930 is 399421.

1249930 = T₃₁ + T₃₂ + ... + T₁₉₅.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1249921) and next prime (1249939).

It can be written as a sum of positive squares in 2 ways, for example, as 1185921 + 64009 = 1089^2 + 253^2 .

It is not an unprimeable number, because it can be changed into a prime (1249939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694 + ... + 1726.

2^1249930 is an apocalyptic number.

1249930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1249930 is a deficient number, since it is larger than the sum of its proper divisors (1225466).

1249930 is a wasteful number, since it uses less digits than its factorization.

1249930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1249930 is about 1118.0026833599. The cubic root of 1249930 is about 107.7197236583.

The spelling of 1249930 in words is "one million, two hundred forty-nine thousand, nine hundred thirty".