1249080780370 has 32 divisors (see below), whose sum is σ = 2310549504768. Its totient is φ = 485825997888.

The previous prime is 1249080780361. The next prime is 1249080780373. The reversal of 1249080780370 is 730870809421.

It is not an unprimeable number, because it can be changed into a prime (1249080780373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455782 + ... + 1644961.

It is an arithmetic number, because the mean of its divisors is an integer number (72204672024).

Almost surely, 2^{1249080780370} is an apocalyptic number.

1249080780370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1249080780370 is a deficient number, since it is larger than the sum of its proper divisors (1061468724398).

1249080780370 is a wasteful number, since it uses less digits than its factorization.

1249080780370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102394.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 1249080780370 in words is "one trillion, two hundred forty-nine billion, eighty million, seven hundred eighty thousand, three hundred seventy".