1249500030 has 16 divisors (see below), whose sum is σ = 2998800144. Its totient is φ = 333200000.

The previous prime is 1249499903. The next prime is 1249500037. The reversal of 1249500030 is 300059421.

It is a super-2 number, since 2×1249500030² = 3122500649940001800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249500037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20824971 + ... + 20825030.

It is an arithmetic number, because the mean of its divisors is an integer number (187425009).

Almost surely, 2^1249500030 is an apocalyptic number.

1249500030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1249500030 is an abundant number, since it is smaller than the sum of its proper divisors (1749300114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1249500030 is a wasteful number, since it uses less digits than its factorization.

1249500030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41650011.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1249500030 is about 35348.2677086162. The cubic root of 1249500030 is about 1077.0737055019.

Adding to 1249500030 its reverse (300059421), we get a palindrome (1549559451).

The spelling of 1249500030 in words is "one billion, two hundred forty-nine million, five hundred thousand, thirty".