1070977428 has 54 divisors (see below), whose sum is σ = 2830064874. Its totient is φ = 341464992.

The previous prime is 1070977421. The next prime is 1070977471. The reversal of 1070977428 is 8247790701.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 930128004 + 140849424 = 30498^2 + 11868^2 .

It is a super-2 number, since 2×1070977428² = 2293985302570990368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070977421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9075 + ... + 47162.

Almost surely, 2^1070977428 is an apocalyptic number.

1070977428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1070977428 is an abundant number, since it is smaller than the sum of its proper divisors (1759087446).

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

1070977428 is a wasteful number, since it uses less digits than its factorization.

1070977428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56293 (or 56265 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 1070977428 is about 32725.7914801155. The cubic root of 1070977428 is about 1023.1204669468.

The spelling of 1070977428 in words is "one billion, seventy million, nine hundred seventy-seven thousand, four hundred twenty-eight".