1951012150 has 48 divisors (see below), whose sum is σ = 3892050000. Its totient is φ = 725362560.

The previous prime is 1951012139. The next prime is 1951012163. The reversal of 1951012150 is 512101591.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30976 + ... + 69724.

It is an arithmetic number, because the mean of its divisors is an integer number (81084375).

Almost surely, 2^1951012150 is an apocalyptic number.

1951012150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1951012150 is a deficient number, since it is larger than the sum of its proper divisors (1941037850).

1951012150 is a wasteful number, since it uses less digits than its factorization.

1951012150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38833 (or 38828 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 25.

The square root of 1951012150 is about 44170.2631868998. The cubic root of 1951012150 is about 1249.5490960347.

The spelling of 1951012150 in words is "one billion, nine hundred fifty-one million, twelve thousand, one hundred fifty".